Dusk (2023 PS4 game version) has 211 Collectible Locations spread throughout 33 levels (30 regular and 3 secret). All of these collectibles are required for the following trophies:
- 166 Secrets – True 100%
(with all enemy kills) - 33 Soap – Don’t Drop It
- 3 Secret Levels – Swamped
, Hardcore Parkour and So I Hear You Like… - 9 Miscellaneous Trophies
Getting all Secrets in a level is one of the two requirements for getting the Completionist award, which you need to unlock on every single level. All Secrets are needed alongside all Kills in a level, and both requirements must be met in one playthrough of a level to get the award. Secrets are hidden areas that are typically accessed by pulling switches, blowing up walls, interacting with walls or walking through objects.
You should get all Kills pretty naturally as long as you go to all areas of a level, just make sure to pick up any Weapons or Power Ups you find as these can sometimes trigger enemy spawns. In case of easy-to-miss enemies, a note will be made when to get them. While in a level, you will be able to track your progress towards both Secrets and Kills by pressing the touchpad to show your current statistics. You will also be able to see if you have the Completionist award on a level when viewing the individual levels in Level Select, so if you miss any you can check which you are missing.
Soap are exactly as the name implies, bars of soap found sitting around the levels. As innocuous as the soap appears, it is a one-hit kill to anything you throw it at, including bosses. There is one soap in every level, and you must pick up the soap with 
for it to register (you can drop it immediately after). You must also finish the level you are in for it to count. There is no way of tracking this, so it is recommended that you always save after picking up soap, either by pressing 
for a Quick Save or by pausing and selecting Save/Load to make a Manual Save. If you die after picking one up without saving, make sure to pick it up again.
Secret Levels are extra levels that you can play, with one secret level in each episode. These count as Secrets so you will discover them while going for Completionist awards, and the levels themselves will need to be completed for their respective awards.
Occasionally you will need to use either the Riveter, Mortar or Crossbow to Rocket Jump and reach certain collectibles. These weapons can typically be found within the level for these secrets, but if you can’t find them or need ammo (or health) to do this you can use the Konami Code ( 
), which will fully restock your health, morale and ammo, as well as give you all weapons and keys. Using cheats does not affect trophies at all, so feel free to use this as you need it.
E1M1: Head Cheese
Secret 1
In the first room, move the barrel on the left with to find some pistols in a hole. Crouch with 
to get it.
Secret 2
Head up the stairs and open the door, then walk forward to find a hidden room through the wall. Go downstairs for a Super Shotgun.
Secret 3
Now leave the secret area and you’ll see some metal bars with a grate behind them. Go around the bars and destroy the grate to find a Diamond inside.
Secret 4
Go through to the next room with two pillars on your right. There will be three doors on the left of the room, destroy any and enter for this secret.
Secret 5
When you reach the stairs leading up, go underneath them to find a switch you can flick. This will open a tunnel next to you, follow it through to find the Shotgun.
Secret 6
Inside the secret area, there is a wall you can interact with to open, opposite the ladder. This will contain a Fast Fire Totem.
Soap
Climb up the ladder and clear the enemies in the area. Move forward and you’ll see the house the previous stairs would lead to. Go inside and go upstairs to find the Soap next to the toilet. Make sure to pick it up for it to register.
E1M2: Down on the Farm
Secret 1
Press on the first haybale to reveal an Assault Rifle.
Secret 2
Head towards the silo on the right and there’ll be cracks on one of the walls. Move the nearby gas canister in front of it, then shoot it to reveal the secret.
Secret 3
Grab one of the nearby barrels and carry it over to the corn maze on your right. Use the barrel to jump onto the corn. Follow it around to the right to find a spot with some items to collect and a recess in the ground.
Secret 4
Interact with the recess in the ground to reveal a secret tunnel with the Riveter.
Trophy: Duskwife
While in the secret area, head down to spot a teleporter. Instead of going through it immediately, look to the left of it to spot a basketball in a corner. Pick it up and put it through the teleporter, then go in yourself. Now carry the basketball to the right side of the house to find a basketball hoop. Place the ball in the hoop and a secret area will open next to you. Go inside for the trophy and a heap of weapons.
Secret 5
Go through the teleporter in the same room to be teleported onto the roof of the barn. Turn around and there’ll be a Hallowed Health pickup.
Soap
Now head inside the house and go upstairs to the bathroom. The soap will be on the dispenser of the shower. Pick it up.
Secret 6 (Trophy: Swamped)
Progress through the corn maze and fight the enemies until you reach the garage with the Red Key inside. Go into the back left corner to find a switch behind some tires and a barrel. Flick the switch, then return to Secret 4 in the corn maze (use a barrel to access it). There will now be a door open to the left of the loot chest, which leads to the secret exit.
Trophy: Go Away
Before you go through to the Secret Level, return to the Red Key door and go through the tunnel to where the normal exit is. Instead of interacting with the gate, make a save ( for quick save, or pause to make a manual save). Now jump onto the fallen log on the left and use this to jump over the gate. Go around the corner and approach the purple text on the ground for this trophy. Now reload your save and return to the secret exit.
E1MS: The Dim Slough
Secret 1 + Yellow Key
Progress through the level until you find a small hunt on your right with a pistol inside. Drop into the pool of water next to it and swim through to find this secret and the Yellow Key.
Red Key
Head towards the factory next to you and follow the path around to grab the Red Key.
Secret 2
With both keys in hand, return to the starting area and go through the sewer pipe in the left area. Climb up the ladder and you’ll reach an area with two yellow doors, open the one in front of you for this secret.
Secret 3
Inside the secret room, pick up the rivets and then crouch. Interact with the lower left section of the left wall to reveal the next secret.
Soap
Go inside the secret to find the soap. Pick it up.
Secret 4
Now open the second yellow door and follow the path for this secret.
Blue Key
Progress through the sewers until you enter the factory. Use the Red Key to open the door, then kill all the enemies inside and climb the ladder for the Blue Key.
Secret 5
Now return to the beginning of the level where the blue door was. Open it and climb down the ladder, then immediately crouch and look left to see a switch. Press it and go up the nearby stairs to reveal a hole that you can drop down for this secret.
E1M3: Old Time Religion
Secret 1 + Yellow Key
From the beginning of the level, turn right to find the graveyard. Stand behind the gravestones opposite the tomb to find a switch you can flick. This will reveal some stairs in the tomb with the Yellow Key, go down for the secret.
Secret 2
Use the Yellow Key to enter the church and destroy the wooden planks to fall into the cave. Follow this through and you’ll find a gas canister nearby a cracked wall. Move the gas canister in front of the wall an shoot it to reveal the secret.
Soap
Continue down until you arrive in the catacombs. Shoot the wooden planks to enter the next room and the soap will be sitting on the top left crevice. Use a boulder to reach it if you can’t grab it normally.
Secret 3 + Blue Key
Deal with the enemies in the next room, then grab the gas canister next to the soap and take it up the stairs to the left. Move the barrels to reveal a cracked wall the can destroy with the canister. This will lead you through to a ledge with the Blue Key.
Secret 4
Now enter the room with the ladder and the boarded up pathway. To the right of this pathway is a wall with a hole in the top of it, interact with the wall to reveal the secret.
Red Key
Break the wooden planks to find the Red Key in the room next to the blue door.
Before you go through the blue door, head back up the ladder in the room before you to return to the beginning area. Kill all remaining enemies in the garage that requires the blue and red keys to ensure you get the Completionist award.
Secret 5
Now head back to the blue door and go through. The next room will have what appears to be a blocked path, but you can walk through it for a Diamond.
Trophy: Intoxigated
Return to the first room of the blue door area and crawl through the open grate on the side. Follow this path down and kill the enemies, then enter the next room to encounter the Intoxigator boss. He has 5000 health but will die pretty quickly to the Assault Rifle and Riveter. Get his health down low, then interact with the beer bottles in the corner until you see Intoxicated on the screen. While intoxicated, your camera will sway, making it hard to shoot. Kill Intoxigator while under this effect for the trophy. If you see the text “Your head grows clearer”, this means the effect has worn off and you will need to drink more beers before killing him.
E1M4: Steamworks
Soap
As soon as the level begins, walk forward and the soap will be on two red barrels. Pick it up.
Secret 1 + Yellow Key
When you enter the room with the Yellow Key, kill the enemies and then move the two barrels to reveal a switch. Flick it and turn around to go through the passage to the beginning area, and then turn around again to see another door opened directly to the right of it. This is the secret, head inside.
Secret 2 + Blue Key
Progress through the level and you’ll eventually use a teleporter to arrive at the Blue Key. Grab the key and flick the switch, then interact with the odd-looking wall underneath the graffiti. Go inside for this secret.
Secret 3
Go to the end of the tunnel from the previous secret and interact with the wall to reveal another secret.
Secret 4
Now interact with another wall on the right to reveal yet another secret.
Trophy: It Lives
Finally, go up the ladder in this room to find Dopefish. Go through the teleporter to leave the secret area.
E1M5: Sawdust
Soap
From the beginning of the level, turn left and head towards the train cart. Use a crate to jump inside and you’ll find the soap sitting on a crate. Pick it up.
Secret 1
From the train, approach the four brick hallways nearby. Crouch underneath the leftmost one to find a switch at the end, which will drop you into the secret.
Secret 2
Once inside the secret area, open the wall opposite the teleporter for a Mortar.
Secret 3
Go through the teleporter and kill the enemies below, then leave the building. Climb up the hill right next to the brick hallways you enter before and jump onto the roof for the Hallowed Health pickup.
Secret 4 + Red Key
Now enter the broken section of the building on the other side to find the Red Key. Look inside the pipe right next to the key for another secret.
Secret 5
Now go around the corner to the area leading towards the red door. Face the hill on the left and spam jump up it to find a Fast Fire Totem.
Yellow Key
Open the red door and kill all the the enemies inside the cave, where you will find the Yellow Key.
Before you cross the bridge to use the Yellow Key, jump off the cliff next to the bridge to enter a large area. Pick up the two powerups to spawn extra enemies. You should have 55/57 Kills before you open the yellow door across the bridge.
E1M6: The Cutty Mine
Secret 1
Go forward to the rail tracks, then turn right to spot a gas canister. Pick it up and return into the tunnel you came from where there’ll be a cracked wall. Use the gas canister to blow it open.
Secret 2
While inside the secret area, swim through the water to find a Hallowed Health pickup.
Soap
On the ground next to the pickup, make sure to pick it up.
Secret 3
Continue progressing until you spot the Yellow Key behind a fence. Take the right path and crouch in the water to spot a Diamond hiding.
Yellow Key
Go around the caves to reach the key behind the fence.
Red Key
Open the yellow door near the beginning and multiple enemies will spawn, as well as the red key near where you grabbed the gas canister.
E1M7: Dead of the Night
Secret 1
After dealing with the enemies in the first area, approach the leftmost silo and enter through the hole, then drop inside for the secret.
Secret 2
There’ll be a cracked wall on your right as you enter the secret. Grab the gas canister inside the second silo and use it to blow up the cracked wall. Drop down inside.
Secret 3
While in the second secret area, climb the ladder on the left and interact with the recessed wall to reveal some tunnels that lead to some enemies and a teleporter out.
Secret 4
After teleporting out, return back into the silos and climb into the third one you didn’t enter. Flick the switch here and teleport out, then enter the hangar that opened next to the blue door.
Before you the enter the house, climb into the small outpost next to it to grab the Crossbow and spawn more enemies.
Soap
Head inside the house and go upstairs, then enter the first door on your left. The soap will be inside the shower. Pick it up.
Blue Key
Head into the attic of the house to find the Blue Key.
Red Key
Inside the shed with the blue door.
E1M8: Through the Gate
Secret 1
At the start of the level, grab the explosive barrel and place it near the cracked wall where you spawned. Blow it up to reveal a teleporter.
Secret 2
Step into the teleporter for another secret.
Secret 3
Dodge the fire balls and interact with the switch to drop into a pit with some rats. Kill them, then crawl through the hole and go left to find a Sword in a room.
Red Key
Crawl out of the tunnel to be outside the room you were teleported into. Kill the enemies and you will find the Red Key on the other side of the building.
Secret 4
Use the jump pads to get back above and go through the door to reach the beginning area. Kill the enemies, then walk up the hill on the right with a door. Before you go inside, walk behind the generator next to it to trigger this secret.
Secret 5
Go through the door and interact with the wall opposite the red door. There’ll be another teleporter in here, step into the room to trigger the secret but don’t enter the teleporter. Ignore the red door for now too.
Secret 6
Return back to where you got the first secret. Don’t step into the teleporter, but instead slowly walk to the side of it and interact with the back wall to open it. Jump into the new room for the secret.
Secret 7
Go through the teleporter in this room, kill the rat and shoot the grate in the corner. Crawl through for this secret.
Soap
Kill the enemies in this area and open the door to the building. Kill the enemies and go downstairs and you’ll be on the other side of the red door you ignored earlier. On the shelf to the right of it will be the soap, use the barrel to reach it and pick it up.
Yellow Key
Return back upstairs and you will find a switch you can flick on the wall where you dropped down from the grate. This will open the gate out of the yard, but more importantly it will open a new passage downstairs in the building. This will lead to the Yellow Key, which you won’t actually use but picking it up is necessary to spawn new enemies. After picking it up, go through the teleporter to the beginning area and new enemies will appear behind walls that lower to your right and near the red door. Make sure to actually enter these new areas as some enemies might not come out to you.
Blue Key
Go through the red door to get back to where you were and go through the opened gate. Head to the left and you’ll find the Blue Key in the corner.
Secret 8
Head to the back of this open area where the blue door is and go behind the building. Open door the here and go inside for some enemies and this secret.
E1M9: Ghost Town
Secret 1
Immediately in front of you at the beginning is a Fuel Station. Shoot out the glass window and jump inside.
Secret 2
From where you started, go to the left and enter the open garage with the three Chainsaw enemies. Go behind the cars for this secret.
Secret 3
Now climb the ladder of the building opposite the garage and shoot the grate on top. Drop inside for the secret, then teleport out.
Secret 4
Drop out the window and use one of the explosive barrels in front of you to blow up the cracked wall on the right.
Secret 5
Once inside the secret, there is another cracked wall. Use the gas canister to blow up this wall to a secret bathroom.
Soap
Sitting on top of the toilet inside the secret bathroom.
Secret 6
Leave the secret and kill the enemies in the closed garage and the rats in the alley behind the building, then enter the building. On the right will be a wall you can interact with which leads to this secret.
Yellow Key
Upstairs in the same building.
Secret 7
Turn left at the street junction and head towards the building labelled Books and Beer. Go under the stairs to the right and grab the boxes, moving them to the side of the building next to the bookstore where a hole is located. Use both of the boxes to jump up into this building.
Secret 8
Now enter the bookstore and go upstairs. There’ll be a switch you can flick, which will open a hole behind the counter downstairs. Drop down into the hole for a Diamond and a teleporter.
Secret 9 + Red Key
Enter the building near the Fuel Station and go downstairs through the yellow door. Ignore the ladders and go past to where you can drop down to some pipes on your left. There will be a switch you can flick behind them. Now you can return back up the ladders you ignored, then drop down the other side. You will spot the Red Key inside the secret room you opened up.
Blue Key
Head downstairs into the area with all the enemies and press the switch on the gantry on the right. This will reveal the Blue Key. Pick it up and go through the big blue door to reach a teleporter which will return you to street level and spawn new enemies.
Secret 10
With the Red Key in hand, head to where you grabbed boxes from under some stairs. Go inside this building and open the red door for the secret.
E1M10: Creations
Soap
Head downstairs to where you must press the second and third switches to open the door. Stand in the doorway and turn around, then crouch. You will see a small recess on the wall to your left. Interact with it to find the soap inside. Pick it up.
Secret 1
After defeating the Second Experiment, interacting with the wall on the right to reveal another room. Go inside and interact with the button in here to fight the Failed Experiment.
E2M1: The Grainery
Secret 1
Immediately go left to spot a toxic barrel in the corner. Move it out of the way and interact with the wall on the right to find a Riveter.
Blue Key
Once you get outside, there’ll be a heap of Soldier enemies. Head to the right and the Blue Key will be in front of the red door.
Secret 2
Cross over to the other side of the open area and there’ll be alleyways on the left and right side. Go down the left alley and interact with the wall on the right at the end to find the secret. Ignore the teleporter. If you want the Crossbow and Hallowed Health from the teleporter, come back to it after going through the blue door to reach the next open area.
Secret 3
After going through the blue door to reach the next area, kill the enemies and then use the jump pad to land on the octagonal building in front of you. Run along the beam to reach the roof of the building with the yellow door and drop down. You need to jump into the window above the yellow door, you can either do this by dropping off the roof and running into it, or jumping around the corner to get in.
Soap
Now enter the open garage next to the building where you entered the area. There are two trucks, destroy them to find the soap underneath. Make sure to pick it up.
Yellow Key
Use the jump pads to get on top of the garage, then use the ladder and tunnel to enter the Grainery. Pick up the Yellow Key.
Secret 4
Dig the piles of grain to reveal a grate. Smash it and fall in for the secret.
Secret 5
Continue into the secret area and use the jump pad to reach another secret.
Secret 6
After the next jump pad, you will find a Climbing Thing pickup and a switch you can flick. This will open the wall behind you leading back to the first open area. The Climbing Thing will allow you to climb any surface, so while it is active run back to where you grabbed the Blue Key and climb over the fence that says Danger 2300 Volts. You will have to do this quickly before the pickup expires. The pickup will reappear afterwards if you need it again.
Secret 7
Now head back up to the second open area either through one of the alleyway secrets or the open blue door. Kill the enemies, then climb the tower through the yellow door to flick a switch. Climb the ladder behind you for another Climbing Thing. While this is active, use it to climb the tower next to you for a Hallowed Health.
Red Key
After flicking the switch at the top of the yellow door building, all the silos will open. The Red Key is found inside one of them.
Glitched Enemies! When you go to leave the level after getting the Red Key, three Grand Wizards are supposed to spawn in the open area when you hear “Where do you think you’re going?”. The enemies do spawn, but they spawn underneath the map. You can still kill them using the Crossbow, as it pierces through objects, you just have to stand where they would normally spawn and shoot down into the ground until you hit them. They can move around, so you may need to try shooting around a bit until you hit something. If you don’t want to cheat you will want to save your Crossbow ammo for this part and save beforehand so you can experiment where to shoot, but otherwise you can use the Konami Code ( ) to fill up your ammo. This way you can spam arrows out and restock your ammo as needed until you get the kills.
E2M2: Unseen
Secret 1
Immediately around the corner at the beginning of the level is a cracked wall. If you have a Riveter from the previous level you can blow it up, or there is a gas canister in the next room.
Secret 2
Another cracked wall inside the first secret area., leads to a Hallowed Health. A second gas canister can be found between some pipes in the corner of the room past the locked door, use the first and third switches to open it.
Yellow Key
Head downstairs into Artifact Storage to find the Yellow Key.
Secret 3
Directly behind the Yellow Key is a grate. Shoot it open and follow the vent for this secret.
Red Key
Head through the yellow door into Ruins Access and you will find the Red Key at the end of the path.
Secret 4
After getting the Red Key, as you walk back up the path there’ll be an opening on the left where the invisible enemy spawned from. Follow this through for a Mortar.
Blue Key
Go through the red door and follow the path until you reach a room with the Blue Key in the middle on the lower floor.
Soap
After going through the blue door, you’ll reach a room with a bunch of wooden shelves. On the back left shelf you will find the soap. You can either jump and grab it, or simply destroy the shelf and pick it up where it drops.
E2M3: Into the Thresher
Secret 1
At the end of the corridor right at the beginning, turn around to spot a vent. Go inside and interact with the back wall of the vent for a Super Shotgun.
Secret 2
Turn right for another secret.
Secret 3
Head up the ladder and destroy the two turrets, then use the barrel and box to jump up onto the ledge they were on. Shoot and enter the vent.
Yellow Key
Once outside, use the jump pad and head to the left to find it by the wall.
Secret 4
Turn left to see a cracked wall. If you don’t have an explosive weapon, there is a Mortar in the corner back where you jumped up with the jump pad.
Secret 5
Turn around from the previous secret and you’ll see a part of the wall that doesn’t match. Interact with it and fall down for the secret.
Secret 6
While in the secret area, there will be a switch you can flick. This will open another wall within the secret area.
Soap
On the floor inside this secret-within-a-secret. Pick it up.
Blue Key
Go inside the yellow door and head downstairs to find the Blue Key in the middle of the room.
Red Key
Inside the blue door, follow the path and crawl through to grab it. You will immediately fall when you grab it so be prepared.
Secret 7
Once you enter the grinder, press the switch to turn it off. Cross over the blades but don’t go down the hole, press the switch in the back left. Now go back through the blades and a room will have opened up.
Make sure you have 69/71 Kills before you drop down the hole.
E2M4: The Infernal Machine
Red Key
After passing the hydraulic presses, continue and there will be a broken wall on your right. Go in and follow the path to find the Red Key.
Secret 1
After retrieving a Flashlight and pressing the switch, a new area will open next to you. Jump over the ledge to spot a vent to your right. Smash it and go inside.
Secret 2
After leaving the secret, crawl under the wall to the right to find some grinders and another wall you can crawl under behind them. There’ll be some hydraulic presses in here, crawl past them one at a time until you reach the Hallowed Health.
Secret 3
Continue until you reach a large shaft. Shoot the switch to open it above you and use the jump pad to get up. Look up from here and you will see a vent high on the wall. On the PC version there was a Climbing Thing pickup to allow you to reach it, but on console that was replaced with the jump pad which can’t reach the vent. This means in order to reach it you will either have to grab one that is later in the level and come back here, or you can use your Riveter to Rocket Jump into the vent. To do this, you will want to stand in front of the vent, then aim down and shoot your Riveter after jumping. If done right this will give you enough momentum to get into the vent. A similar method can be done with the Crossbow by jumping and holding down 
to shoot repeatedly to give yourself enough height, but this uses a fair bit of ammo. Make sure to save before attempting this as you may run out of ammo or health before getting a good jump. If you need health, ammo or weapons you can use the Konami Code ( ) to restock everything.
Blue Key
Now follow the path around to the Infernal Machine and you’ll be able to grab the Blue Key after pressing the switch.
Yellow Key
Go down the stairs in the shaft and you’ll find a blue door halfway down. Go inside to find the Yellow Key in the back room.
Secret 4
Instead of leaving through the blue door, face it and turn around to see a switch behind some barrels. Press it to open the passage down the ramp.
Soap
Inside the secret area, on top of the first container. Pick it up.
Secret 5
Now go all the way down the stairs in the shaft to find a door you can open with a switch. Go down the ladder inside to find a cracked floor. Blow it up with a Riveter or Mortar (or bring a gas canister from the Yellow Key room) and drop inside.
Secret 6
After using the Yellow Key to open the tunnel leading inside the Infernal Machine, kill the invisible enemies and approach the exit door. On the right will be a cracked wall, destroy it with a Riveter or Mortar. This will lead to the final enemies, as well as a Climbing Thing pickup that you can use to reach Secret 3 if you didn’t Rocket Jump to reach it.
Trophy: Hardcore Parkour
At the back of this secret room is a switch you can press and a teleporter. Press the switch and take the teleporter, then go back into the tunnel you accessed in Secret 5. The grate in the pipe will be open now and you will be able to access the Secret Level.
E2MS: The Foundry
Secret 1
After using the jump pad, you’ll arrive in a room with several vats of lava. The vat directly next to you will be empty, enter it for this secret.
Blue Key
Cross the lava using the jump pads, then use the two Climbing Things to climbs the walls into a cave. The Blue Key will be at the back.
Yellow Key
Cross back over the lava and open the blue door to find the Yellow Key upstairs in the next room.
Secret 2
Continue progressing until you reach a maze-like room with two Climbing Things. On the platform of the second one, grab it and jump over to the left and run up the wall, then jump onto the pipes above you for the secret.
Secret 3 + Red Key
Once you reach the Thermal Suit, make a save before you grab it as you will need to move quickly. Pick it up and grab the Red Key, which will drop you down into the lava below. Ignore the jump pads and run through the lava to the other side to reach a room with Hallowed Health.
Secret 4
Instead of going into the teleporter, crawl into the hole in the back left corner for this secret. There will be another Thermal Suit in here so if it’s running out you will be fine.
Soap
Sitting on the lava inside the secret.
E2M5: The Escher Labs
Secret 1
Inside the room with the Invisible enemy, the wall in the back left is mismatching. Interact with it to reveal a secret room.
Soap
After pressing a switch to open a new room with two pistols inside it, turn right as you enter to find the bar of soap on a table.
Secret 2
In the next room you’ll be able to pick up a Serum of Blistering Heat, which slows time when you’re not moving. Kill the enemies in the area and go up the stairs, then look through the fence. There will be a switch in the bottom left, shoot it then go back down the stairs to find the door into that room open. Go inside for the secret.
Yellow Key
Continue until you reach a spiral staircase. Head up them and drop down the end of the hallway to find the Yellow Key.
Secret 3
Open the yellow door and go through the spiral tunnel. As soon as you step out of it, turn right and interact with the wall to find a Sword.
Secret 4
In front of you will be a jump pad. Jump out of the tunnel before stepping on it and jump over, then get back into the tunnel and interact with the back wall to reveal a Riveter.
Red Key
Use the jump pad and enter the teleporter to enter a hellish area. The Red Key is at the end of the room.
Blue Key
Inside the container that the Mama boss is found in.
E2M6: The Erebus Reactor
Secret 1
Deal with all the enemies in the open area, then use one of the jump pads in the corners to reach the upper level. Follow the path around until you can jump onto the beam that leads on top of the reactor core that has the Thermal Suit (back right corner from where you first arrive in the area). Don’t jump up to get the Thermal Suit yet, but instead drop down onto the beam to the left. Follow this until the black smoke, then drop down to another beam on the left and follow it up to the top of this reactor core for the secret.
Secret 2
Now drop onto the straight beam that leads to another reactor core. In order to reach this secret, you will either need to rocket jump with your Riveter or Mortar, or use the Crossbow to jump up. For all of these you will want to stand in front of the reactor core, aim down and shoot after jumping to get height and momentum to reach the top. Using an explosive you can do it with one good shot, while the Crossbow you will need to fire about 15-20 times to get enough height. Save before you attempt this so you don’t waste your ammo or health too much. If you need health, ammo or weapons you can use the Konami Code ( ) to restock everything. If you don’t have a weapon/ammo and don’t want to use the cheat, you will get a Crossbow with enough ammo from Secret 5.
Soap
Sitting on the same reactor core, make sure to pick it up before you jump off.
Secret 3
Now return to the first beam you jumped on. Follow it up to the Thermal Suit and grab it this time.
Secret 4
With the Thermal Suit, jump off to the left down into the lava to find a Hallowed Health and a teleporter. Go into the teleporter for the secret.
Secret 5
As soon as you go through the second teleporter, you will fall down back into the main area. Directly in front of you where you fall will be an open building with a Turret inside. Destroy the turret, then use the nearby jump pad to get inside. Go up the ladder for a Crossbow.
Yellow Key
Drop outside the house and open the door to it to find the Yellow Key inside.
Secret 6
From the entrance of the house, turn left and go past the jump pad you used to enter the building to find another building you can enter. As soon as you enter, interact with the wall left of the door to find a secret.
Blue Key
Open the yellow door of the garage in front of this building to find the Blue Key.
Secret 7
Open the blue door on the building on the opposite side, then interact with the wall on the left before entering the main section. Inside will be a Serum of Blistering Heat.
Red Key
On the gantry in the same building.
Secret 8
Leave the reactor area by opening the red door where you started, then enter the building in the back left corner. Next to the panel with the switch is some crates, jump over them to find the secret behind them.
E2M7: Neobabel
Blue Key
On the rooftop of the Babel Skylab, use one of the jump pads to reach it.
Yellow Key
Inside the Skylab, go into the left basement and flick the switch to open the room upstairs. Go inside for the Yellow Key.
Secret 1
Now go into the right basement and flick a switch on the pillar to open a smokestack outside. Now head behind the Skylab and the right smokestack will have a Climbing Thing inside.
Secret 2
With the Climbing Thing, head over to the building with the yellow door and climb one of the pillars. Go behind the central section with barred windows to find a stash of ammo.
Secret 3
Now climb onto the central section to find a Hallowed Health in the middle.
Soap
Sitting on the ground right next to the Hallowed Health. Pick it up.
Go behind the building to find 2 enemies.
Secret 4
Now go inside the yellow door and clear out the enemies. Return back to grab the Climbing Thing, then use it to climb into the third nook on the left side.
Secret 5
Now climb into the first nook on the right side.
E2M8: Blood and Bone
Secret 1
Go through the door and turn left to find this secret in the corner.
Soap
From the secret, jump up the curved structure directly next to it to find the soap on top. Pick it up.
Secret 2
As you go down the stairs, there’ll be two Soldiers and two Turrets behind a fence. After killing them, jump into this area and climb the ladder to find a Diamond in the corner.
Yellow Key
Continue all the way downstairs to find the Yellow Key.
Secret 3
As you are heading upstairs from the key, you will spot a grate on the wall. Break it and go inside for this secret.
Blue Key
Continue until you find a jump pad. Use it to reach a building and follow it around to find the Blue Key, before you use the second jump pad.
Secret 4 + Red Key
Continue until you break your Flashlight and find a new one. Go into the left corridor and enter the last door on the left before going up the stairs. Move all the crates out of the corner and press the button, which will open a wall in this room. Go inside to find the Red Key.
Secret 5
Head all the way to the bottom of the spiral staircase, then turn right at the door. Crouch and go underneath the stairs for this secret.
Secret 6
When you reach the exit, go through the teleporter instead. This will return you near the beginning of the level. Go to where you found Secret 2 and open the red door. You’ll find a Hallowed Health and a Diamond inside.
E2M9: The Dig
Red Key
Crawl through the conveyor belt to find the Red Key outside.
Secret 1 + Blue Key
After grabbing the Red Key, turn around shoot the barrel to smash open the cracked ground below it. Jump inside for a teleporter, which leads to the Blue Key.
Secret 2
Continue progressing and you’ll find a blue door. Go inside for this secret.
Secret 3
Go through the teleporter in the next area and interact with the wall to your right for a Hallowed Health and some supplies.
Yellow Key
Directly in front of you as you progress.
Secret 4
Kill the enemies on the platform to the right of the key and jump over. Interact with the recessed wall for some Crossbow bolts.
Secret 5
Return to the yellow door and open it. Drop down and there’ll be a grate blocking a conveyor belt. Break it and follow it through to a room with some Turrets and some goodies.
Trophy: Mother!
Continue until you reach a teleporter, but don’t run into it. Slow walk into it and you’ll teleport right in front of a hole you’d fall down if you ran into the teleporter. Before you jump down, turn around and interact with the drawing on the wall for this trophy.
Secret 6
After defeating the three bosses, interact with the recessed wall to the left of the fence with the teleporter behind it.
Soap
On the floor next to the teleporter in the secret area. Pick it up.
The End Level door is a fake out, the final 3 enemies will be behind this door.
E2M10: The Gauntlet
Secret 1
Immediately at the start of the level, this secret is on the pipe to your right. Use your Crossbow to jump up to it by aiming down and shooting multiple times. If you need health, ammo or weapons you can use the Konami Code ( ) to restock everything. If you don’t have a weapon/ammo and don’t want to use the cheat, you will get a Crossbow with enough ammo in the boss area.
Soap
Interact with the mismatched piece of wall right next to the pipe to reveal the soap. Pick it up.
Trophy: Telefragged
The Guardian boss will spawn when stepping into one of the two teleporters, and he will follow you into them to teleport between the areas. You will want to back in and out of the same teleporter until you get the timing right to teleport on top of the boss, which will instantly kill him and give you this trophy.
E3M1: The Iron Cathedral
Secret 1
At the start, head around to the right of the Cathedral entrance to find some bags of gems.
Secret 2
Now go around to the left side for a gas canister. Bring this back to the start of the level where there’s a cracked wall. Destroy the wall for a Crossbow.
Soap
Head down the spiral staircase. Instead of going through the door, crouch and go under the stairs to find the soap. Pick it up.
Red Key
In the next hallway. Picking it up will lower the walls and spawn a bunch of enemies.
Secret 3
After defeating the enemies that appear, interact with the recessed wall to the right of the exit. Follow it through for a Mortar.
Secret 4
Head upstairs and open the red door. There will be a Hallowed Health pickup in front of an altar. Crouch behind the altar to find a Diamond.
Secret 5
Go do the left stairs and go past the fire balls. At the split, take the left path and there’ll be a mismatched wall. Interact with it to find a Mortar.
Secret 6
In the hallway in front of you, turn right to find a crawlspace behind some objects. Go through and immediately turn right to follow the crawlspace around to some Crossbow ammo.
Blue Key
Follow the crawlspace through to the next room and the Blue Key will be on a platform in the middle.
Secret 7
Open the blue door and there’ll be a Diamond to your right. Stand here and turn around to see two holes in the wall above you. Use either your Mortar or Crossbow to Rocket Jump up there for a Super Shotgun. If you need health, ammo or weapons you can use the Konami Code ( ) to restock everything.
E3M2: Fire and Ice
Secret 1
Cross through the lava. Once you reach safe ground, there’ll be an explosive barrel immediately to your right. It’s right in front of a cracked wall, so blow it up and go inside for a Mortar.
Secret 2
Continue until you arrive at the first lavafall, with two coloured doors on the left and a locked door on the right. Drop down below and jump behind the lavafall for this secret.
Secret 3
Continue down the third lavafall and enter the cave on the left. At the bottom of the cave before you re-enter the main area is an explosive barrel. Destroy it to reveal a Diamond in the wall.
Secret 4
Go through the teleporter and up the stairs. Jump across to the Diamond for another secret.
Secret 5
Now go down the stairs into the next room. Instead of going on the jump pad, move the barrels at the back of the room to reveal a hidden room with a Pistol.
Blue Key
Go up the jump pads to find the Blue Key in the snow.
Soap
Go through the blue door and head upstairs. The soap will be sitting on the broken wooden beams in front of you, pick it up.
Secret 6
Turn left from the soap to see some bags of gems. Crawl into the space for the secret.
Secret 7
Go through the next door and jump across the gap, then look left to spot some goodies. Use your Crossbow to jump across the gap. If you fall down, there is a cracked wall next to this secret you can blow up and then access through Secret 1 to return to the upper area quickly, or you can just save before attempting the jump.
Red Key
Head onto the rooftop and press the four switches in the corners to open the cage in the middle with the Red Key. Pressing them all will spawn a bunch of flying enemies, so make sure to kill them all.
Secret 8
Open the red door near the first lavafall, then drop into the lava below you. On the left will be a Hallowed Health and a teleporter.
E3M3: City of Shadows
Secret 1
On your right in the main area will be an alleyway with a Diamond at the end. Head towards it and an enemy will spawn behind you. After killing it, go to leave the alleyway and the pillar on the right will now be open. Go inside for the secret.
Secret 2
Right next to the pillar is a building with a door that opens elsewhere. Go down the tight path to the right of this to find a hole that leads to water. Drop in for this secret.
Red Key
After taking the teleporter in the secret, take the stairs up to find the Red Key on a bridge next to the yellow door. This will spawn a bunch of enemies.
Secret 3
Head to the left of the yellow door to find a jump pad next to a Mortar. Use it to reach the top of the tower, then crouch to go into the hole for a secret.
Use the jump pad to go on top of the yellow door building and pick up the Fast Fire Totem to spawn some enemies.
Secret 4 + Trophy: Somebody’s Poisoned the Waterhole!
Cross the bridge and climb up the ladder. Press the switch next to the red door to open the Home, then go inside the red door and press the switch to open the Well. Now go back down to ground level and enter the previously-locked building to find some Crystals of Madness. Grab one and take it down the well into the flooded area. Interact with the wall with symbols on it it spawn the boss Chomper. Now just throw the Crystal of Madness at him for the trophy. Make sure to still kill Chomper afterwards.
Yellow Key
At the back of Chomper’s lair. Press the switch to raise the waters into the main area.
Secret 5
Return to the main area and head down the alleyway from Secret 1. Go through the hole in the wall and swim up for this secret.
Secret 6
Now return to the building with the Crystals of Madness and pick up the Climbing Thing in the corner. Use this to climb up the tallest building on the side of the map to find a Hallowed Health pickup.
Secret 7
Climb up the tower of this building to find a Riveter up top.
Soap
Return to grab the Climbing Thing again, but now climb to the top of the tower from Secret 3 to find the soap on top. Pick it up.
E3M4: Crypt of the Flesh
Yellow Key
Up the stairs to the right at the beginning of the level.
Blue Key
Progress until you reach the room with multiple doors on the left and right. Go through the back right door and follow the stairs down to find the Blue Key and a working Flashlight.
Secret 1
Now that you have a Flashlight, head back upstairs and open the door you to your left. Go inside and go behind the object for this secret.
Secret 2
Now enter the leftmost room opposite you. Interact with the recessed wall at the back to reveal some goodies.
Secret 3
Progress until you reach a room full of stairs and Cultists. At the back of the room is a hole full of fleshy parts, jump and crouch through to find a secret.
Secret 4
From the flesh hole, look down to the left to spot a switch. Press it to open a room on the left, go inside.
Red Key
In the room with lots of enemies, use the jump pad to get to the bridge above. The Red Key will be on a pedestal, press the button while you’re here.
Secret 5
Once you’re back in the starting area, go through the yellow door and look left to see a broken crypt. Go behind it find a hidden switch. Press it to open a secret next to you.
Soap
In the right corner of the secret area, behind the stairs.
Trophy: So I Hear You Like…
Go down the stairs in the secret and open the red door to find a bathroom. Stand on the toilet and flush it to go to the Secret Level.
The final two enemies in this level are behind the regular red door, and triggering them will close the door behind you. This means that in order to get the Completionist award you must finish the level the regular way. Given you will need to do the Secret Level as well, the best way to do this is to make a Quick Save before going through the regular red door, then kill the enemies and finish it to get the Completionist award. Check the level under Level Select to make sure you have the award registered, then reload your save and go to the Secret Level instead.
E3MS: The Ratacombs
Secret 1 + Blue Key
Take the right path and there’ll be a pool of lava. Jump inside it to find the Blue Key and a teleporter.
Secret 2 + Red Key
Ignore the blue door for now and return to where the lava pool was. Go up the nearby stairs for the Red Key, and right next to it on the left will be a hole in the wall you can crawl through for a secret.
Secret 3
Turn around from where you grabbed the Rey Key and press the switch on the wall. This will open a wall in front of you that leads to a Hallowed Health.
Yellow Key
Open the red door and crawl through the tunnel to find the Yellow Key.
Secret 4
Turn right from the Yellow Key to spot a button in the corner. Press it to open the wall on the right as you head towards the yellow door.
Soap
Inside the secret area, the soap is sitting on a ledge above the hole you can fall down. Make sure to grab it before falling down.
Secret 5
Go through the blue door to the boss room. There is a ledge around the arena, you need to reach this. Either use the barrels around the level to build up to it, use Rocket Jumping with the Mortar, or let the boss ram you which can launch you up there.
E3M5: Blasphemy
Soap
Head behind the building to the very back of the level. There is a barrel with the soap on it, pick it up.
Secret 1
After going down the stain glass spiral staircase, go through the door on the left. Go past the Fast Fire Totem and down the stairs, then turn around and go under stairs for this secret.
Red Key
Head through the next door and up the stairs for the Red Key.
Secret 2
Head towards the red door opposite the lavafall and there’ll be a nook to the right of the door you can enter for a secret.
Secret 3
Now enter the darkness opposite the stairs and turn around to find a switch. Press it, then go back up the stairs to find a new room opened up with a Hallowed Health inside.
Secret 4
Turn around from the Hallowed Health and you’ll see some barrels stacked in the corner. Move them then walk into the gap for a Diamond.
E3M6: Brimstone Ghetto
Soap
Right at the beginning of the level, look down over the ledge to spot a dumpster in the alley. Drop down to it and look inside to find the soap. Pick it up.
Secret 1
Climb back up and go onto the second rooftop with the Climbing Thing. Look behind it to spot a Riveter. This is the secret.
Secret 2
Look up from the Climbing Thing and you’ll see some items on a pipe way above. Use it to climb up to the pipes.
Secret 3
Back on the ground level, look for two shotguns next to a Fast Fire Totem. Behind them will be a vent. Head inside.
Secret 4
There’ll be another vent inside. Smash it to enter an alleyway with a ladder. Beneath the ladder behind some bags will be a switch. Flick it, then turn around to find another secret.
Red Key
Inside the one building in this area.
Secret 5
Continue down through the red door and you’ll arrive at some train tracks. Against a wall on the right will be two crates, move them to find a cracked wall. Break it with the nearby gas canister and go inside for a Hallowed Health.
Blue Key
Through a molten tunnel in the bathroom.
E3M7: Homecoming
Secret 1
Cross the planks until you are nearby the house. Use the jump pad outside to reach behind the rocks to find a Diamond.
Secret 2
After killing the enemies in the house, return back near the start with the three jump pads. Use these to jump over to the roof of the barn for some ammo. If you miss the roof, simply fall off the end to be teleported high in the sky and fall onto the roof.
Red Key
Inside the barn, pick it up before interacting with the gold object to change gravity.
Blue Key
Inside the house, behind the red door.
Soap
After pressing a switch to open the garage of the neighboring house, head inside it to find the soap inside the bathroom. Due to all the gravity shifting, the soap can move around and may be hard to locate. I was unable to find the soap at all by taking the normal route through the level, so if this occurs to you, you can get the soap by using the Konami Code ( ) at the beginning of the level to get all keys. Then simply fall off the map and keep respawning in the air until you reach these houses. Unlock the garage as you normally would, then the soap should be sitting in the bathtub without any gravity manipulation.
Secret 3
Change gravity in this house, then enter the garage. Instead of falling down onto the area below you, fall off the map so you teleport into the sky. There will be another floating island you can land on that has a Diamond on it.
Yellow Key
Inside the Escher Lab section.
E3M8: As Above, So Below
Secret 1
Grab the gas canister from the left side of the building, then take it down the hole inside. Place it by the cracked wall behind the Diamond and blow it up to find a secret tunnel.
Secret 2
Go into the room with Soldiers and head behind the three metallic structures. There’ll be a vent here, smash it and go inside.
Secret 3
Go through the house and once outside, use the jump pad to get onto the roof of the house. The health kits are the secret.
Red Key
Head down to the base of the lavafall to find the Red Key.
Secret 4
Go through the red door and you’ll arrive in an area where the objects and scenery are gigantic. Turn right and head towards the wall to see a mismatching section. Interact with it to find a literal mini-boss inside.
Secret 5
Go into the next building and you’ll be able to spot a Hallowed Health behind a fence on the right side. Go to the back left wall and interact with it to open a path to it. Remember this spot as you’ll come back here shortly.
Soap + Trophy: Duskbaby
Head down the stairs and you’ll see a miniature house. Head behind it and you’ll spot the soap inside it. Pick up the soap, but this time bring it with you. Head back up to where you got the Hallowed Health in Secret 5 and you’ll notice a brick wall. If you interact with the wall it’ll say it’s indestructible. Luckily the soap is a one-hit kill to anything, and that includes this wall. Throw it at the wall and enter the area for the trophy.
Yellow Key
After teleporting to the Infernal Machine, the Yellow Key will be right in front of you.
E3M9: The Dweller in Darkness
Secret 1
As soon as the level starts, turn around 180 degrees and you’ll spot a teleporter in the distance. Line yourself up with the teleporter, then run straight until you reach it. If you aren’t lined up properly you’ll fall off. The teleporter will take you to a Crystal of Madness, which is worth bringing with you for the main fight.
Soap
After returning to the main area, head towards the main teleporter and you’ll spot a bar of soap sitting to the right. Pick it up.
E3M10: Dusk
Soap
Inside the house, in the fourth locker.
Secret 1
During the second boss fight, drop into gap between the two platforms to find this secret.
Trophy: Thanks!
After completing the level, the credits will begin. Do not skip them, you will get this trophy once they end. If you skip the credits, you will need to replay this level as they cannot be viewed from the main menu.
That’s all of the levels & collectibles in Dusk.
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