Here is the full list of all 42 Killing Room achievements.
Max your Damage stat.
Complete 250 rooms.
Solve puzzle in last 5 seconds of countdown.
Take 50 items.
Pick up 20 medkits.
Die 10 times.
Finish the game with at least 10 Trouble items in inventory.
Win Killing Room.
Save 5 ducklings.
Take 5 legendary items.
Kill Duna Boss.
Max your Accuracy stat.
Take 10 rare items.
Take 3 legendary items.
Take 20 items.
Take 5 rare items.
Cover otherwise deadly hit.
Complete 25 rooms.
Kill 500 enemies
Kill 1000 enemies.
Kill 2000 enemies.
Die 50 times.
Kill enemy while being trapped in Bear Trap.
Win Killing Room 5 times.
Save 20 ducklings.
Solve 10 puzzles.
Solve 50 puzzles.
Open 10 coffins.
Open 50 coffins.
Pick up 100 medkits.
Max your Health stat.
Max your Stamina stat.
Max your Magazine stat.
Max your Speed stat.
Complete 1000 rooms.
Kill 10 boss creatures.
Kill 50 boss creatures.
Kill yourself in Suicide Booth.
Kill 5 ducklings.
Kill 20 ducklings.
Get one item from real viewers.
Win game on Hard mode.