Field of the Dead

Beat the factory mission on the hardest difficulty

LockedSteam

Survive the electric generator challenge

LockedSteam

Beat the AI graveyard mission on the hardest difficulty

LockedSteam

Beat the hospital mission on the hardest difficulty

LockedSteam

Complete all of the main quests

LockedSteam

Defeat the big Field Hulk roaming near the warp gate

LockedSteam

Defeat a dangerous husk that can appear in the hospital

LockedSteam

Defeat a sand worm near the warp gate

LockedSteam

Defeat one of the huge flying zombie bugs that appears near the warp gate

LockedSteam

Defeat a goliath drone in the acid mines

LockedSteam

Defeat ten thousand enemies of any kind

LockedSteam

Defeat a giant mutant zombie flying centipede that can appear over the field

LockedSteam

Defeat the mutant zombie flying eel that can appear over the field

LockedSteam

Defeat a fierce mutant zombie flying shark that can appear over the field

LockedSteam

Defeat one of the mutant zombie flying squids that can appear over the field

LockedSteam

Find all of the golden collectibles

LockedSteam

Find a mod

LockedSteam

Defeat one hundred enemies in a row without taking a single point of damage or using the carnage rifle

LockedSteam

Defeat the AI graveyard mission boss without using the portable weapon available at the start of the mission

LockedSteam

Defeat a zombie using a monster truck

LockedSteam

Enter the huge warpgate down the field

LockedSteam

Hop on one of the giant slugs that can appear in the field

LockedSteam

Launch a zombie into the clouds with a melee weapon

LockedSteam

Upgrade a mod item to improve its stats

LockedSteam

Equip armor or accessories into every available slot

LockedSteam