Dead Island (PS3)

Wave and Smile

Play any Arena in co-op.

Extreme Firefighting

Set 5 enemies on fire and then kill them with explosives.

Out of honey? Chew bees!

Survive 5 waves using only your fists and legs.

Complete a set

Kill enemies of 6 different types during a single round.

Looking for trouble

Survive 5 waves in each of the 4 Arenas.

Stick it to the enemy

Survive 15 consecutive waves using the analog combat controls.

Gladiator school

Survive 15 consecutive waves with each of the 4 characters.

Fancy

Survive 10 consecutive waves using only custom weapons.

Morituri te salutant

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

Death Incarnate

Survive wave 30.