Complete all instances of Tank Mayhem.
25% of Collectibles found. Drugs, Sex, Cash, and Celebrity... What else is there?
Completed Act 1, killed Phillipe Loren, and kept the Tower.
Killed 1000 Gang Members.
50 quick vehicle hijacks, the Dukes would be proud.
Explored every hood in Steelport, you've been around the world.
Completed your first Challenge, it was a Challenge, right?
Completed all of Pierce's City Takeover Introduction missions.
Bought your first Upgrade, now you have the action Kung Fu grip!
Completed 'Party Time' and got the Saints their first crib in Steelport.
Completed 'I'm Free - Free Falling', landed safely in Steelport with a 9.0 from the Belgians.
Completed 'When Good Heists...', but got caught...
Kill 75 enemies using Executions.
Continue playing to unlock this secret achievement.
Experience all the different endings that Deus Ex: Human Revolution has to offer.
Complete Deus Ex: Human Revolution.
Knock out 100 enemies in a single playthrough.
Perform 50 takedowns within the same playthrough. (Civilians don't count.)
Help Officer Nicholas take out the trash.
Follow Pritchard's lead to uncover the truth.
It may take some sleuthing, but justice must be served.
Successfully hack 50 devices within the same playthrough.
Help the Hive Bartender settle a tab.
Help a lady in the oldest of professions clean house.
Fully upgrade your first augmentation of choice.
Deal with Mr. Carella's indiscretion.
Upgrade your first weapon of choice.
Perform your first Hack successfully.
Perform your first Takedown. Civilians don't count, so be nice.
Complete the entire game on Hard difficulty.
Kill Daemon Prince Nemeroth.
Kill 50 Chaos Space Marines.
Get 250 Headshots.
Kill Warboss Grimskull once and for all.
Use the Invictus to destroy the Orbital Spire.