Destroy all motorcycles.

Hit an ally.

Break a wine bottle.

Achieve an "Amazing!!" combo.

Catch a weapon in the air.

Achieve a "Super!" combo.

Win a game with Fungus on Normal Difficulty or higher

Win a game with Virus on Normal Difficulty or higher

Discover the Public Defecation combo

Cause a nuclear meltdown

Discover the Waking Dead combo

Complete the game intro by liberating Dutch’s island (Solo Campaign only).

Obtain all improved weapon upgrades.