Play for a total of 2 hours

Shoot with a sniper in the game

Unlock all the achievements in the game

Pick up all shovels inside the shop in the level Sunshine

Finish the level Trailerpark

Listen to the radio in the level Sunshine

Complete the entire campaign!

Finish the level Canyon

Be the only survivor in Horde Mode

Collect some loot!

Collect a ton of loot!

Kill 300 zombies in Horde Mode (streak)

Kill 600 zombies in Horde Mode (streak)

Play the game for 4 hours in a row

Play for a total of 3 hours

Finish the level Sunshine

Kill 400 zombies in Horde Mode (streak)

Shoot with the Machine Gun in the Refinery

Climb the scaffold in the level Traintracks

Finish the level Refinery

Finish the level Traintracks

Finish the level Caves

Collect all the guns in the game

Kill all zombies that are locked up in the cage in Canyon

Finish the level Base

Throw a duck

Collect all the ducks in the game

Kill 20 zombies using grenades

Kill a zombie with an object

Finish the level Bridge

Kill a zombie with a duck

Kill 50 zombies with a Headshot

Walk a distance of 10 miles

Collect 20 burgers

Eat 10 burgers

Kill 100 zombies with a Headshot

Complete the Apocalyptic Mode