Shoot a zombie dog or a licker out of the air.

Complete Operation Chaos in Campaign on any difficulty.

Complete Nowhere Left to Run in Campaign on any difficulty.

Counterattack with a sub-weapon.

Customize a weapon.

Use Wooden Boards to board up a window.

Open a dial safe.

Make it to the police station.

In a Single Player game, destroy 6 or more trees with 1 explosive

Buy a soda and candy from vending machine

Collect all cassette tapes!

Plant all 3 seed types