Complete the first chapter
Complete the second chapter
Complete the third chapter
Complete the fourth chapter
Complete the fifth chapter
Support Makarov
Support Sakharov
Go your own way
Turn off the radio 5 times
Die 25 times
Open Sakharov's safe
Get killed by an explosion
Jump off the roof
Grab the bare wire
Die before taking the drug
Die from a monster
Get a hot hand
Unlock all endings