• Banana Bomb: Complete Shotgun Challenge 3.
• Bridge Kit: In the Beefcake Breakfast, get the crate located on a rooftop.
• Earthquake Weapon: Complete Jetpack Challenge 3.
• Mad Cows: Complete Shotgun Challenge 3 with all golds.
• Nuclear Bomb: Complete Deathmatch Challenge 10 with all golds.
• Super Sheep: Complete Sheep Challenge 3

To get Horror voice Blow up the small grave behind the large building on the mission Grave Danger.

• Costa Del Danger: Get Gold in Costa Del Danger campaign
• Crate Britain: Get Gold in Crate Britian campaign
• Crop Circle: Gold in Crop Circle campaign
• D-Day: Gold in D-Day campaign