Purchase all skills in one category.

Perform 50 headshot kills in the single player campaign.

Collect 5000 pieces of salvage.

Kill 35 enemies with the pistol.

Perform 15 finishers.

Kill and loot 10 small animals (rabbits, chickens, rats).

Collect 25% of all relics.

Kill 50 enemies with the bow.

Complete one challenge.

Single Player: End an enemy's career as a CELL operative by wounding him in the knee with an arrow!

Decompress 20 Necromorphs without getting sucked out yourself

Complete Post-Human

Dismember 1000 limbs from living enemies.