Sabotage the Soviet space program.

Receive orders from Lancer.

Destroy all enemies on vehicles during the prison break.

Ensure your squad escapes safely from Cuba.

Break free from the torture chair.

Stick it to a zombie by covering him in weapons and objects!

Use every type of firearm on a zombie

Have 10 zombies with masks on at once

Eat all types of food in the game

Spraypaint all Zombrex posters

Tame Snowflake

Kill 1,000 gas zombies