Launch the ICBM

Kill 400 zombies in Horde Mode (streak)

Walk a distance of 10 miles

Finish the level Sunshine

Listen to the radio in the level Sunshine

Pick up all shovels inside the shop in the level Sunshine

Finish the level Refinery

Finish the level Traintracks

Shoot with a sniper in the game

Finish the level Caves

Flip Tony the bird before killing him during the last mission

Accept Carson's deal but refuse to shake his hand in The Deal

Lose 50,000ml of blood using the hammer.