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