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