Smoke a cigarette
Resuscitate a character 30 times in Challenge mode
Eat 50 coffee beans in Challenge mode
Find every tool in the game
Cook every kind of food in the oven during a single game
Don't sleep in the first zone in Challenge mode
Saw up nine crates during a single game in Challenge mode
Smoke 10 cigarettes during a single game in Challenge mode
Break six objects while under the influence of the "Burst of anger" madness
Finish four zones in a row without breaking a single door in Challenge mode
Earn the good ending in Challenge mode
Break 50 doors in Challenge mode
Earn the second bad ending in Challenge mode
Complete the game with three characters in Challenge mode
Find and save the third character on the base in Challenge mode
Unlock every character
Use the trap to destroy the electrical anomaly in Challenge mode
Charge the reflector once in Challenge mode
Add fuel to furnaces 50 times in Challenge mode
Turn mad for the first time in Challenge mode
Exit the first zone in Challenge mode
Exit the second zone in Challenge mode
Cook food in the oven in Challenge mode 20 times
Exit the third zone in Challenge mode
Exit the fourth zone in Challenge mode
Exit the fifth zone in Challenge mode
Acquire "Burst of anger" madness for the first time in Challenge mode
Acquire "Intolerable hunger" madness for the first time in Challenge mode
Acquire "Shakespearean expert" madness for the first time in Challenge mode
Acquire "Night vision" madness for the first time in Challenge mode
Acquire "Color blindness" madness for the first time in Challenge mode
Acquire "Strange whisper" madness for the first time in Challenge mode
Acquire "Obsessive singing" madness for the first time in Challenge mode
Break any tool
Acquire "Crazy laughter" madness for the first time in Challenge mode
Acquire "White noise" madness for the first time in Challenge mode
Acquire "Attacks of aggression" madness for the first time in Challenge mode
Acquire "Occult enlightenment" madness for the first time in Challenge mode
Acquire "Hallucinations" madness for the first time in Challenge mode
Acquire "Space distortion" madness for the first time in Challenge mode
Acquire "Myopia" madness for the first time in Challenge mode
Acquire "Hyperopia" madness for the first time in Challenge mode
Acquire "Gluttony" madness for the first time in Challenge mode
Acquire "Doubtful utility" madness for the first time in Challenge mode
Complete any 25 repairs in Challenge mode
Acquire "Homesick" madness for the first time in Challenge mode
Earn the secret ending available in Challenge mode
Earn the first bad ending in Challenge mode
Complete the game with any ending
Acquire "Too much" madness for the first time in Challenge mode
Leave a living character behind when proceeding to the next zone in Challenge mode
Fire a gun 20 times in Challenge mode
Turn on generators 100 times in Challenge mode
Use a first-aid kit 100 times in Challenge mode
End the game in Challenge mode with one survivor
