Drink 3 bottles of any alcohol in a row

Defeat Maras Grim (of the Grim Sisters)

Defeat George (Beast form)

Defeat 20 enemies with the TEETHER

Defeat George (Human form)

Perform all 5 unique executions (Special Kills) on an enemy frozen by the Light Shot

Defeat 3 enemies at once using the Explosive Barrels

Complete Act 1 - Chapter 1 on any difficulty setting

Acquire all the trophies.

Find all 3 secrets in the infiltrator mode.

Obtain Skynet security codes from a fallen HK Tank.

Destroy the Infiltrator.