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Silver - Achiever - Finish all quests in the game
Gold - At Your Service - Rescue 20 NPCs that have been grabbed by monsters
Bronze - Better than the arm - Kill 25 monsters with a chainsaw
Silver - BrainLess - Kill 50 monsters by smashing, decapitating or shooting
them in the head
Bronze - Breaching the Tunnels - Successfully defend the tunnel entrance
Bronze - Bully - Kill 100 monsters with a kick
Bronze - Combat on the roof - Survive the horde on the roof
Bronze - Defeat Harlow - Defeat Harlow
Bronze - Dream Team - Complete all the main quests cooperatively with any
number of partners
Bronze - First Do No Harm - Finish hospital quests for Cecil
Silver - Heart of Darkness - Find a boat for use in the jungle
Bronze - Henderson Town - Reach Henderson
Bronze - Hunter-Seeker - Find and kill all named champion monsters located in
dead zones
Gold - Hurler - Kill 100 monsters with thrown melee weapons
Bronze - It's an Order - Mark 100 opponents which were then killed by your
co-op partners
Bronze - Jetboat - Kill 100 monsters using the boat's speed boost
Gold - Juggernaut - Kill 100 enemies using charge attacks
Bronze - King among Kings - Kill special enemies: Grenadier, Thug, Wrestler,
Infected, Suicider, Screamer, Butcher, Floater.
Silver - Meeting Serpo - Make pact with Serpo
Bronze - Military Base - Gain access to a long-range radio station
Silver - Mystery solved - Find all the secret files
Bronze - News junkie - Find all the volunteer's voice recordings
Silver - Obtain level 50 - Obtain level 50
Silver - Obtain level 70 - Obtain level 70
Gold - Professional Tourist - Find all pages from the guide book
Silver - Serving Science - Finish quests for Dr. Kessler
Silver - Siege Hammer - Install a total of 5 barricades during hub defense
Bronze - The Cinema - Clear out the cinema
Bronze - The Collector - Find 50% of collectibles
Bronze - The Docks - Enter the docks in Quarantine Zone
Bronze - The Hoarder - Find all collectibles
Silver - The Hurt Mine Locker - Kill 10 monsters with one mine
Bronze - The Storm - Escape from the ship
Bronze - The Whole World Went Away - Collect all other trophies
Platinum - Twins - Kill the Twins
Silver - You've tricked me once - Finish the game
Gold - At Your Service - Rescue 20 NPCs that have been grabbed by monsters
Bronze - Better than the arm - Kill 25 monsters with a chainsaw
Silver - BrainLess - Kill 50 monsters by smashing, decapitating or shooting
them in the head
Bronze - Breaching the Tunnels - Successfully defend the tunnel entrance
Bronze - Bully - Kill 100 monsters with a kick
Bronze - Combat on the roof - Survive the horde on the roof
Bronze - Defeat Harlow - Defeat Harlow
Bronze - Dream Team - Complete all the main quests cooperatively with any
number of partners
Bronze - First Do No Harm - Finish hospital quests for Cecil
Silver - Heart of Darkness - Find a boat for use in the jungle
Bronze - Henderson Town - Reach Henderson
Bronze - Hunter-Seeker - Find and kill all named champion monsters located in
dead zones
Gold - Hurler - Kill 100 monsters with thrown melee weapons
Bronze - It's an Order - Mark 100 opponents which were then killed by your
co-op partners
Bronze - Jetboat - Kill 100 monsters using the boat's speed boost
Gold - Juggernaut - Kill 100 enemies using charge attacks
Bronze - King among Kings - Kill special enemies: Grenadier, Thug, Wrestler,
Infected, Suicider, Screamer, Butcher, Floater.
Silver - Meeting Serpo - Make pact with Serpo
Bronze - Military Base - Gain access to a long-range radio station
Silver - Mystery solved - Find all the secret files
Bronze - News junkie - Find all the volunteer's voice recordings
Silver - Obtain level 50 - Obtain level 50
Silver - Obtain level 70 - Obtain level 70
Gold - Professional Tourist - Find all pages from the guide book
Silver - Serving Science - Finish quests for Dr. Kessler
Silver - Siege Hammer - Install a total of 5 barricades during hub defense
Bronze - The Cinema - Clear out the cinema
Bronze - The Collector - Find 50% of collectibles
Bronze - The Docks - Enter the docks in Quarantine Zone
Bronze - The Hoarder - Find all collectibles
Silver - The Hurt Mine Locker - Kill 10 monsters with one mine
Bronze - The Storm - Escape from the ship
Bronze - The Whole World Went Away - Collect all other trophies
Platinum - Twins - Kill the Twins
Silver - You've tricked me once - Finish the game