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