16 missable achievements (plus 27 unknown)
Sign in with Steam or Xbox to track your progress, and:
Perform your first Takedown. Civilians don't count, so be nice.
Perform your first Hack successfully.
Upgrade your first weapon of choice.
Deal with Mr. Carella's indiscretion.
Fully upgrade your first augmentation of choice.
Put a grieving mother's doubts to rest.
Successfully hack at least 50 devices within the same playthrough.
Help a lady in the oldest of professions clean house.
It may take some sleuthing, but justice must be served.
Perform 50 takedowns within the same playthrough. (Civilians don't count).
Help Officer Nicholas take out the trash.
Help the Hive Bartender settle a tab.
Protect a client's interests by performing a less-than-hostile takeover.
Knock out at least 100 enemies in a single playthrough.
Deal with the man in the shadows.
Complete Deus Ex: Human Revolution - Director's Cut.
Follow Pritchard's lead to uncover the truth.
Knock Diamond Chan unconscious and drop his body off the roof.
Descend into the bowels of an urban jungle and confront a warrior-priest.
Fully upgrade one of your weapons.
Simply administer Brent Radford a lethal dose of morphine (part of the Acquaintances Forgotten quest).
Experience all the different endings that Deus Ex: Human Revolution - Director's Cut has to offer.
While working on the Smash the State quest, disable the bomb by entering the code (0000) instead of hacking it. Automatic Unlocking Device (AUD) might also work.
Interact with all 6 objects at Megan's room in beginning of the game.
After finishing the game do not skip credits, because a hidden cutscene will be displayed at the end.
Complete Deus Ex: Human Revolution - Director's Cut at its hardest setting without ever changing the difficulty.
Before taking the rocket to Panchaea you have to hack the secret terminal in the hangar and read the secret message.
Missing Link - Find the crate that you were discovered in.
Complete Deus Ex: Human Revolution - Director's Cut without anyone dying by your hand. (Boss fights don't count).
Complete Deus Ex: Human Revolution - Director's Cut without setting off any alarms.
Complete the Missing Link Missions without unlocking any augmentations or using explosives and weapons.
Read all 29 XP books within a single playthrough.