Age of Zombies

You Finished World 1 (Prehistoric)

You finished World 2 (The 1930's)

You finished World 3 (Egypt)

You finished World 4 (Japan)

You finished World 5 (Future)

You finished World 6 (Western)

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

Finish the game without dying once

You finished a level by only firing the pistol

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

You killed 10 Zombies with a single Grenade

You killed 50 Zombies with a Buzzsaw

Survive to Wave 15 on any Survival Mode map

Get 75% or greater accuracy on any Chapter

You killed 20 zombies without moving