Here is the full list of all 31 Until I Have You achievements.
Kill all the enemies, using the LASER.
Finish the game.
Achieve 100% accuracy with the GUN.
Kill all the enemies, using the BAT.
Watch TV.
Unlock any of the work orders.
Complete a Boss Stage without using Time-Dilation.
Kill all the enemies in a stage.
Kill all the enemies, using the GUN.
Purchase any of the upgrades.
Get a 100% Rating in any stage.
Complete a level earning the Second To None Rank.
Complete a stage without killing anyone.
Head out of the apartment.
Complete Tutorial.
Achieve the lowest ranking possible.
Complete a stage in Chapter Eight with the ALARM going off.
Die 1000 Times.
Kill all the enemies, using the FLAMETHROWER.
Kill Emily's mirage in all its appearances.
Get a 100% Rating in all the stages.
Kill 1000 Enemies.
Kill an enemy while hysteria is high.
Beat the game in Hard Mode
Unlock all older work orders.
Kill 100 Enemies using the Bat.
Kill 100 Enemies using the Gun.
Kill 100 Enemies using the Laser.
Kill 100 Enemies using the Flamethrower.
Finish Boss Mode in Normal Difficulty.
Finish Boss Mode in Hardcore Difficulty.