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Achievement
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Description
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Able Commander
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Unlock all commander abilities
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Aerial Slow Upgrade
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Fully upgrade an aerial slow turret
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Alien Extinction
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Kill 1,000,000 aliens
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Alien Killer
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Kill 1000 aliens
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Alien Massacre
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Kill 100,000 aliens
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Alien Slaughter
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Kill 10,000 aliens
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Beam Upgrade
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Fully upgrade a beam turret
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Bomb Upgrade
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Fully upgrade a bomb turret
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Booster Upgrade
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Fully upgrade a booster turret
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Classic Assault 1
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Classic map 1 has been completed in assault mode
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Classic Assault 2
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Classic map 2 has been completed in assault mode
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Classic Assault 3
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Classic map 3 has been completed in assault mode
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Classic Assault 4
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Classic map 4 has been completed in assault mode
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Classic Assault 5
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Classic map 5 has been completed in assault mode
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Classic Assault 6
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Classic map 6 has been completed in assault mode
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Flamer Upgrade
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Fully upgrade a flamer turret
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Hero Commander
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Reach maximum commander level
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Laser Upgrade
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Fully upgrade a laser turret
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Line Laser Upgrade
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Fully upgrade a line laser turret
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Missile Upgrade
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Fully upgrade a missile turret
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Mission 1
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Complete mission 1 of the original campaign
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Mission 10
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Complete mission 10 of the original campaign
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Mission 11
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Complete mission 11 of the original campaign
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Mission 12
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Complete mission 12 of the original campaign
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Mission 13
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Complete mission 13 of the original campaign
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Mission 14
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Complete mission 14 of the original campaign
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Mission 15
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Complete mission 15 of the original campaign
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Mission 16
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Complete mission 16 of the original campaign
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Mission 17
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Complete mission 17 of the original campaign
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Mission 18
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Complete mission 18 of the original campaign
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Mission 19
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Complete mission 19 of the original campaign
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Mission 2
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Complete mission 2 of the original campaign
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Mission 20
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Complete mission 20 of the original campaign
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Mission 3
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Complete mission 3 of the original campaign
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Mission 4
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Complete mission 4 of the original campaign
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Mission 5
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Complete mission 5 of the original campaign
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Mission 6
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Complete mission 6 of the original campaign
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Mission 7
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Complete mission 7 of the original campaign
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Mission 8
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Complete mission 8 of the original campaign
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Mission 9
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Complete mission 9 of the original campaign
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Psycho Defender
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Reach wave 100 in endless mode on psycho difficulty
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Psycho Master
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Reach wave 150 in endless mode on psycho difficulty
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Slow Upgrade
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Fully upgrade a slow turret
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Sniper Upgrade
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Fully upgrade a sniper turret
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Turret Expert
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Unlock all turrets
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Turret Spammer
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Complete a classic assult level without upgrading any turrets
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Weapon Master
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Unlock all Sentinel weaponry
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