Darwin Award
You Finished World 1 (Prehistoric)

Babyface Barry
You finished World 2 (The 1930's)

Mummies I’d like to frag
You finished World 3 (Egypt)

Barry san
You finished World 4 (Japan)

To the future and back
You finished World 5 (Future)

New Sheriff in Town
You finished World 6 (Western)

Untouchable
Finish the Story Mode in one sitting without having to use a continue!

You ARE Barry Steakfries
Finish the game without dying once

Peashooter
You finished a level by only firing the pistol

SUPERSIZED COMBO!
You earned a 100x or more combo from any weapon pickup

Frag Out
You killed 10 Zombies with a single Grenade

Mowing the Grass
You killed 50 Zombies with a Buzzsaw

Immunity Idol
Survive to Wave 15 on any Survival Mode map

SharpShooter
Get 75% or greater accuracy on any Chapter

Camper
You killed 20 zombies without moving