Here is the full list of all 31 Until I Have You achievements.
Finish the game.
Kill 100 Enemies using the Gun.
Complete a stage in Chapter Eight with the ALARM going off.
Kill an enemy while hysteria is high.
Complete a Boss Stage without using Time-Dilation.
Kill all the enemies, using the GUN.
Achieve 100% accuracy with the GUN.
Kill all the enemies in a stage.
Kill all the enemies, using the BAT.
Achieve the lowest ranking possible.
Unlock any of the work orders.
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.
Watch TV.
Head out of the apartment.
Complete Tutorial.
Die 1000 Times.
Kill all the enemies, using the LASER.
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.
Beat the game in Hard Mode
Unlock all older work orders.
Kill 100 Enemies using the Bat.
Kill 100 Enemies using the Laser.
Kill 100 Enemies using the Flamethrower.
Finish Boss Mode in Normal Difficulty.
Finish Boss Mode in Hardcore Difficulty.