Complete the indicated to unlock the achievement.

Achievement	How to unlock
Basement Janitor (10)	Clear level B1 of all enemies
Challenge I (10)	Complete Challenge level 1
Chronicler (10)	Access all 50 white lore Terminals (Easy or harder)
Cr8 h8r (10)	Destroy all item crates in level E2
Deus ex Platforming (10)	Complete level F4 in under 15 seconds
Digital Fear (10)	Kill a Guardian after being chased by it for over 1 minute
Elite (10)	Complete a play-through on Hardcore
Expert (10)	Complete a play-through on Difficult or harder
Expert Hunter (10)	Destroy both Experts in level E5
Explorer (10)	Explore every room of the Fortress (Easy or harder)
Fighter (10)	Complete a play-through on Easy or harder
Guardian (10)	Destroy the Fortress before it reaches your home planet (Easy or harder)
Last one Out (10)	Turn off all lights in level E4 on Hardcore difficulty
Matrices (10)	Unlock all Digital Environment entrance points (Easy or harder)
Meant to do that (10)	Stick an enemy with a grenade that has bounced more than 5 times
Metal Snake (10)	Get through level B2 without being spotted by any Zarnok Workers
Noisrucni (10)	Complete New Game Plus
Restless (10)	Complete level W5 in under 45 seconds
Sentry (10)	Complete a play-through on Beginner or harder
Specialist (10)	Complete a play-through on Normal or harder
The System is Down (10)	Throw a light switch rave
Thumb on the trigger (10)	Have every facility on the Fortress rigged to detonate
Unboxing (10)	Complete a play-through ignoring all crates on Easy or harder
Unsteady footing (10)	Jump off an enemy 5 times consecutively
Waka Waka Waka Waka (10)	Erase 50 or more AI bits in a single run through the Digital Environment