ACHIEVEMENT - HOW TO UNLOCK Big Red Button (10 points) - Use a Nuke. Supaweapon! (10 points) - Collect components to complete a Megalaser. Joint Command (10 points) - Stand together with another player to complete one mission. ComSat Uplink (10 points) - Play over Xbox Live with three other players for at least one minute. World Tour (15 points) - Complete the first nine missions. Stockpile (15 points) - Score 5,000,000 points. Cockroad of Freedom (15 points) - Withstand eight minutes of the Red Star onslaught in any Survival game. Cannon Happy (20 points) - Complete 11 missions without Nukes of reinforcements. Ultimate Tanker (25 points) - Finish Mission mode. Freedom's Last Stand (25 points) - Defeat all 19 Red Star champions in Boss Blitz mode. Champion of Freedom (25 points) - Survive 12 minutes of the enemy's attack in a Survival game. Massive Destruction (20 points) - Destroy 12 enemies with a Nuke.