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