Collect all other trophies
Mark 100 opponents which were then killed by your co-op partners
Complete all the main quests cooperatively with any number of partners
Finish all quests in the game
Finish the game
Kill the Twins
Find and kill all named champion monsters located in dead zones
Kill 100 monsters with thrown melee weapons
Kill 100 enemies using charge attacks
Kill 100 monsters using the boat's speed boost
Obtain level 70
Finish hospital quests for Cecil
Find all collectibles
Find all the secret files
Find all pages from the guide book
Find all the volunteer's voice recordings
Kill 25 monsters with a chainsaw
Defeat Harlow
Enter the docks in Quarantine Zone
Find 50% of collectibles
Make pact with Serpo
Finish quests for Dr. Kessler
Survive the horde on the roof
Gain access to a long-range radio station
Kill 10 monsters with one mine
Clear out the cinema
Reach Henderson
Kill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater.
Successfully defend the tunnel entrance
Rescue 20 NPCs that have been grabbed by monsters
Install a total of 5 barricades during hub defense
Find a boat for use in the jungle
Kill 100 monsters with a kick
Kill 50 monsters by smashing, decapitating or shooting them in the head
Escape from the ship
Obtain level 50
