Breach a locked door with the first blow.

Kill a Suicider with a grenade.

Find 60 collectibles.

Kill 250 zombies with modified weapons.

Kill 250 zombies using edged melee weapons.

Customize 25 weapons.

Create weapons to rival the gods of fire or thunder.

Travel a distance of 20 kilometers on foot.

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

Kill 50 zombies using a vehicle.

Create a customized weapon.

Join another player's game.