Enter one of the following codes at the "Extras" menu to activate the corresponding cheat function:
|2,000 gold coins||Screenshot|
|Boofy hair and baseball cap||Screenshot|
Successfully complete the indicated level in Story mode to unlock the corresponding weapon for purchase at the shop for the listed price:
- Cow Cannon ($2,500): "Get Cows To Higher Ground"
- UFO Gun ($2,000): "Blow Up The Dam"