Complete 'The Ho Boat'.

Complete all instances of Guardian Angel.

Complete 'We've Only Just Begun'.

Complete your first Challenge.

Customize 10 vehicles.

Do your first nutshot AND testicle assault.

Create and share a character online.

Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.

Complete all Joyride Missions in both locations

Complete the Donut King Mission in the Yokohama Construction Site area

Break the siege in the battle of Khe Sanh.

Revived someone from "Fight for Your Life!" that is on your friends list

Completed 20 side missions