Here is the full list of all 15 Lifeline achievements.
Play from start to finish without killing Taylor.
Complete the game without fast mode.
Find and take the pain pills.
Eat the chili mac ration.
Go all the way back to the beginning of the game and try again
Find an ending where Taylor survives.
Reach a dead end in the game and kill Taylor 25 times. Poor Taylor.
Reach a dead end in the game and kill Taylor 15 times. Poor Taylor.
Reach a dead end in the game and kill Taylor 10 times. Poor Taylor.
Help the enemy by tossing a glow rod for the incoming Greens.
Find Taylor’s rats and feed them the pellets.
Find the Chinese writing on the wall.
Kill Taylor for the first time by reaching a dead end.
Pay respects to the casualties of the crash.
Rescue Captain Aya.