Complete 3 levels
Finish tutorial
Complete 5 levels
Unlock Devastator
Complete any level (except first) on hardcore difficulty
Survive for more than 60 days in the infinite mode.
Kill more than 5000 zombies in all games
Expolore more than 300 buildings in all games
Gain more than 15 biohazard points
Kill more than 10000 zobmies
365 days must pass in all matches