Change your characters appearance, such as with a hat or costume.

Complete the game on any difficulty level.

Obtain Skynet security codes from a fallen HK Tank.

Destroy the Infiltrator.

Open the unlockable door in Pasadena.

Destroy a T-800 Flamethrower by shooting it's fuel tank.

Complete 5 side objectives.

Kill a Terminator using a Termination Knife.

Upgrade your weapon.

Destroy your first T-800.

Make contact with the imprisoned Resistance Soldiers.

Successfully hack a Turret.

Complete a side objective.