Perform any combination of 50 biotic combos or tech bursts.

Visit a store in the single-player campaign.

Modify a weapon.

Return to active duty.

Kill 5 Infected in a row with a single blow.

Save 5 people besieged by zombies.

Sever 100 limbs.

Reach level 10.

Play Dead Island at least 28 days after starting it for the first time.

Discover Way of White covenant.

Acquire Estus Flask.

Complete "Darkness Returns"