Escape the Past.

Use only dual wield weapons to escape Kowloon.

Rack up a body count of 20 NVA using air support in Hue City.

Break the siege in the battle of Khe Sanh.

Receive orders from Lancer.

Destroy all enemies on vehicles during the prison break.

Take down Castro with a headshot.

Complete all challenges

Increase your life total to 30 or more in single player, or 60 or more in Two-Headed Giant

Deal 20 combat damage to a player in a single turn in a game

Kill 30 enemies with the Plasma Cutter

Dismember 20 Limbs