Blast 10 zombies at once with a Cherry Bomb!

Complete 25 quests while playing with at least one co-op partner.

Create a sanctuary for the tribe.

Absorb a massive amount of lava during the game.

Use the powers of the Breath 100 times.

Create the Breath of the elements.

Kill 50 zombies using a vehicle.

Travel a distance of 20 kilometers on foot.

Kill a zombie with 10 different melee weapons.

Destroy the Naval Cannon.

Destroy the Machine Gun.

Join another player's game.