Complete the following achievements to unlock Microsoft Gamerscore points.
Achievement | How to unlock
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- Break The Ice (100 points)
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- Cold War PhD (100 points)
| - Answer 20 trivia questions correctly.
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| - Answer 3 trivia questions correctly.
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| - Finish a level without killing any enemies. Only friendly fire deaths are allowed.
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| - Kill 20 or more enemies on any level.
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| - Locate the enemy fuel depot and destroy all of their fuel.
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| - Finish any level in less than 20 seconds.
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- Stealth Bomber (100 points)
| - Complete a level without setting off any alarms.
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- Step Back From The Brink (100 points)
| - Beat the game, save the world.
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- Weapons Specialist: Assault Rifle (0 points)
| - Defeat 25 enemies with the assault rifle.
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- Weapons Specialist: Bazooka (0 points)
| - Defeat 25 enemies with the bazooka.
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- Weapons Specialist: Blowgun (0 points)
| - Defeat 25 enemies with Gorbachev's blowgun.
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- Weapons Specialist: Grenade Launcher (0 points)
| - Defeat 25 enemies with the grenade launcher.
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- Weapons Specialist: Hand Gun (0 points)
| - Defeat 25 enemies with the hand gun.
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- Weapons Specialist: Katana (0 points)
| - Defeat 25 enemies with Reagan's katana.
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- Weapons Specialist: Minigun (0 points)
| - Defeat 25 enemies with the minigun.
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- Weapons Specialist: Shotgun (0 points)
| - Defeat 25 enemies with the shotgun.
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- Weapons Specialist: Silencer (0 points)
| - Defeat 25 enemies with the silencer pistol.
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- Weapons Specialist: Uzi (0 points)
| - Defeat 25 enemies with the Uzi.
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- World Historian (100 points)
| - Answer 10 trivia questions correctly.
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