Kill 1 enemy
Kill 1000 enemies
Kill 5000 enemies
Revive co-player
Revive 10 co-players
Revive 50 co-players
Healed for the first time
Heal 50 times
Heal 100 times
Complete all upgrades of one gun
Build anything
Build 50 times
Build 100 times
Filled the blueprint slot
Craft anything
Craft 50 times
Craft 100 times
All players are defeated
Kill bear in Stage 1
Open the back door in Stage 2
Serving the needs of survivors in Stage 3
Find antique weapon in Stage 4
Use boat in Stage 5
Clear campaign mode
Clear Stage 1
Clear Stage 2
Clear Stage 3
Clear Stage 4
Endure 50 minutes in infinite mode