Dead Island: Definitive Edition

Swing them sticks

Kill 150 enemies using Analog Fighting controls.

Gladiator school

Survive 15 consecutive waves with each of the 4 characters.

People Person

Play with 10 different co-op partners for at least 15 minutes each.

Stick it to the enemy

Survive 15 consecutive waves using the analog combat controls.

Fancy

Survive 10 consecutive waves using only custom weapons.

Oh, no you don't

Kill a Ram using tackle skill.

Complete a set

During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.

Right 4 Life

Complete act 1 with 4 different characters.

Looking for trouble

Survive 5 waves in each of the 4 Arenas.

Morituri te salutant

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