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