Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

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.

Kill 5 enemies with a single frag grenade in the campaign.

Receive orders from Lancer.

Unleash Warrior Johnny (Quest)

Destroy all slingshot targets in 3 attempts.

Beat any song with a final score which is evenly divisible by 6 (Quickplay+)

Take down Castro with a headshot.

Singleplayer: Kill 5 enemies at once with a single hand grenade

Singleplayer: In Compromised, get 15 kills with the M60

Multi-Kill 3 car soldiers at once using an explosive weapon in Campaign or Escalation.