Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Normal Without Changing the Difficulty

Kill 75 Enemies in a Row Without Dying

Kill 30 Enemies with the MP40

Kill 50 Enemies with the 92FS - 9mm

Kill 50 Enemies with the AK-47

Play for at least 2 hours as a male character AND 2 hours as a female character.

Complete 'Matt's Back'.

Do everything you can for your Veep -- Quests, Loyalty Missions… everything.

Upgrade one weapon to the max.

Successfully perform an action hijack.

Complete a Case.