Collect 5000 pieces of salvage.

Collect 25% of all relics.

Complete one challenge.

Force an enemy to drop dynamite that kills two people when exploding.

Perform 15 finishers.

Perform 50 headshot kills in the single player campaign.

Kill 35 enemies with the pistol.

Obtain 20 different tokens.

Research every potion in the game

Keep an enemy chilled for 20 seconds

Find every ingredient in the game

Open 50% of the chests in the game

Kill an enemy with a double ricochet