Full list of all 12 Heavy Weapon achievements worth 200 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox 360.
Complete 11 missions without Nukes or reinforcements.
Survive 12 minutes of the enemy's attack in any Survival game.
Defeat all 19 Red Star champions in Boss Blitz mode.
Dispel the enemies of liberty. Finish Mission mode.
Play over Xbox Live with 3 other players for at least 1 minute.
Take a tour of each Red Star country and trash the place! Complete the first 9 missions.
Destroy 12 enemies with a single Nuke.
Amass 5,000,000 points.
Withstand 8 minutes of the Red Star onslaught in any Survival game.
Go Ballistic... Use your first Nuke!
Stand together with another player to complete one mission.
Collect components to complete a Megalaser.