Complete the laboratory.

Defeat a zombie by stomping on them.

Get picked up by the Infected Bat.

Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.

Create a Custom Handgun.

Defeat an enemy by burning them.

Defeat an enemy with a critical-hit headshot.

Defeat an enemy with a knife.

Create a Molotov Cocktail.

Break free of a Cerberus while they are biting you or trying to push you down.

Shocked an enemy soldier using Mk. II/III.

Cleared Act 4 (Shadow Moses).

Cleared Act 3 (Eastern Europe).