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