Kill 10 Zombies
Defeat Janitor Blight
Defeat Mr. Meathook
Defeat Dr. Rotress
Defeat Dr. Corven Richter
Defeat all Bosses
Perform finisher 10 times
Perform Finisher 50 times
Perform Finisher 100 times
Finish the game
Finish the game on Hard Mode
Kill 100 Zombies
Complete arcade challenge
Complete 3 arcade challenges
Complete every arcade challenge
Kill 500 Zombies
Kill 1000 Zombies
Kill 2000 Zombies
Defeat 200 enemies using melee weapons
Defeat Warden Gore
Defeat Grim Boulder
Defeat Grinder
