Kill 100 enemies with Fury attacks.

Survive 10 consecutive waves using only custom weapons.

Kill a Ram using tackle skill.

Survive 30 consecutive waves with at least one co-op player.

Kill 5 Infected in a row with a single blow.

Survive 15 consecutive waves using the analog combat controls.

Kill 250 zombies with modified weapons.

Play any Arena in co-op.

Kill 250 zombies using blunt melee weapons.

Use a hammer to kill a series of 15 zombies without taking damage.

Find 120 collectibles.

Drive a total distance of 10 kilometers.

Customize 25 weapons.