1. Basics
1.1. Infinite XP & Praxis Glitch

2. Collectibles
2.1. All XP Book Locations
2.2. Old School Gamer

3. Miscellaneous
3.1. First Takedown – Perform your first Takedown (civilians don’t count)
3.2. Ghost – You made it through an entire hostile area without being seen
3.3. Balls – Seems you like playing with balls, eh?

3. Story-Related
3.1. The Bull – Bossfight Lawrence Barrett
3.2. The Mantis – Bossfight Yelena Fedorova
3.3. The Snake – Bossfight Jaron Namir
3.4. The End – Bossfight Zhao Yun Ru
3.5. Good Sould – Hengsha (Destruction Site)
3.6. Hangar 18 – Omega Ranch (Restricted Area)

Infinite XP & Praxis Glitch
This Glitch is easy to use and can be performed everywhere in the game. All you need is a device where you can hack the red ‘trace symbol’. By hacking the trace symbol instead of the normal green access symbol you will gain extra experience. To make this even faster you should search for a level 1 or level 2 device and hack the red symbol on the same way I show in the video. It will give you a nuke every time. The higher the security level of the hacked device, the higher is your XP reward.
Save your game when you found a good spot. Hack the red symbol and load your save data after the successful hack (while the screen with the XP reward is shown). Hack the same object over and over again and you will always get more XP. Keep in mind: You will get the final XP bonus only once – the single hacks don’t sum up and you can’t hack the device again.

Doctorate
Read all 29 unique XP books within a single playthrough.
IMPORTANT: You must purchase the Icarus Landing System augmentation by the time you reach Tai Yong Medical! You will need to raise your hack skill to level 5 (highest possible) to get the very last XP book!
Timeline in Youtube Video Description!

Old School Gamer
You found all the hidden story items in Megan’s office. Point and Click much?
Practically, this is the first trophy / achievement you can get in Deus Ex: Human Revolution. After the very first cutscene, you will find yourself in Megan’s office. There is a total of 6 different objects you need to interact with.

First Takedown
Perform your first Takedown. Civilians don’t count, so be nice.
When you are on your first real mission you will have to drop down some ladders after exiting the chopper. You will encounter a single enemy. This particular part was actually meant to be some sort of tutorial about takedowns anyway. It’s probably the best opportunity to get this done fast and easy and it’s hard to miss. You can also take out one of the guards around the helipad (very beginning of this mission). It will also give you the trophy. Anyway, you will most likely get this trophy by accident.

Ghost
You made it through an entire hostile area without so much as a squeak.
Very easy in your first mission while infiltrating the manufactory (Detroit, Sarif Plant). There is just one enemy in your way. Take him out silently and climb up a set of boxes. Pass the electric area and use a switch to move on. You did it once you are in the air vent.

Balls
Seems you like playing with balls, eh?
The shown method requires you to buy the ‘Throw Heavy Objects’ Augmentation. How does it affect the process? Well, what you will basically need to do is to throw the ball through the basket from the bottom. It will be stabilized and come down to the exact same point (this time from the top, which is required to unlock the trophy or achievement). This makes it very easy and you need no real skill. Just make sure that you aim in a 90° angle (maximum). Once you can barely see the outer part of the red basket ring you are ready to shoot.
You can always reach the shown area when you are in Detroit. If you can’t buy the augmentation you can try to shoot the ball from a higher distance and a smaller angle.

The Bull
You defeated Lawrence Barrett, elite member of a secret mercenary hit squad.
This was played on the highest difficulty ‘Give Me Deus Ex’.
Actually, a very simple fight. You need no specific augmentations or weapons. Everything you need will be available during the bossfight. At the very beginning you should head to the room on your left. Grab the mine templates and the two grenades. Now try to reach the room on the other side. There are two more grenades and enough shotguns. Equip the shotgun and combine the frag grenades with the mines. Now throw the two frag mines close together and wait for Barrett to come closer. He will be stunned for a moment, just long enough to shoot a magazine on him. Now he is as good as dead. Throw the EMP grenades and shoot him with the shotgun from close distance.
Don’t forget to run away when he is throwing his grenades. His actual gun is not doing so much damage and is easy to avoid.

The Mantis
You defeated Yelena Fedorova, elite member of a secret mercenary hit squad.
For the shown method your equipment doesn’t matter. You will find everything you need in the bossfight area. First of all, get the 3 EMP Mines (they are in the lockers). There is a heavy rifle near one of the lockers to your left. This one should be the weapon of your choice. Grab some more ammo and the battle can begin. Go back to the center of the room and place an EMP mine right where you are standing. Don’t move! Just wait until Yelena comes close and the mine will explode. She will be stunned and you have enough time for 50 shots. Repeat the process 3 times and she should be gone. If she’s still alive you might want to combine some more grenades with the two mine templates that can be found in a nearby locker.
Don’t forget to stay away from the electric generators. Yelena will most likely run against them which will set free electricity in the whole room.

The Snake
You defeated Jaron Namir, Leader of Belltower’s Elite Special Operations Unit.
This bossfight is extremely simple. It’s not even a real fight. All you need to do is to keep pressing the punch button while Jaron is jumping over a wall. That’s it – 10 seconds and the fight is over.

The End
You defeated Zhao Yun Ru and destroyed the Hyron Project.
This bossfight is actually very simple. Run down the set of stairs and search for the level 5 security panel. Enter the code 2012 and jump up a non-electrified divider. Just wait here until the reactor destroys itself (which will take about 2 minutes). Zhao will lose her shield and you can easily take her out. The shown heavy rifle can be found right before entering the bossfight area. You can practically use any weapon, but this one is very effective.

Good Soul
Against all odds, you saved Faridah Malik’s life.
This is story-related and you can’t miss the shown location. You will get there in the last third of the game, when returning to Hengsha.
The shown way is featuring a non-lethal method. Especially helpful when you are on your Playthrough for the Pacifist trophy / achievement (complete game without killing anyone). Make sure that you take out the heavy armored enemies at first. Then work your way to the back of the area and take out the snipers in the buildings. To get rid of the attacking machine you can whether throw explosive barrels on it (there are 4 in this area) or use your taifun augmentation. You can take a look on the unconscious bodies to make sure nobody died (there will be a ‘zzz’ loot symbol instead of the skull symbol).

Hangar 18
You found and read the secret message. Now you know too much…
This is story-related and can only be done at the very end of the Omega Ranch Mission (Singapore). After defeating the third boss you will find yourself in a white room. You will have to use an elevator which will bring you to the shown location – you really can’t miss it.
Instead of ending the Mission you should turn around, get the box out of the way and enter the secret room.
You will need the Capture Hack Augmentation on Level 5! There is no Code available that allows you to read the message without hacking the computer.