Campaign: find 15 collectable weapons

Campaign: destroy 1 satellite uplink

Campaign: finish Cold War

Campaign: finish Operation Aurora

Completed the lesser challenge in all 3 coliseums

Beat your partner at rock, paper, scissors 3 times in a row

Finish the game in a fractured friendship

Survive an entire level without needing to be revived on normal difficulty or above

Build a gun using 3 homebrew parts

Make only negative choices

Heal your partner 10 times

Charge through 20 enemies