| Achievement | How to unlock
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|---|
| 100 Kills (10) | Kill over 100 enemies in a single level.
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| 1000 Kils (10) | Kill over 1000 enemies in a single level.
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| 20 Level Mark (10) | First 20 levels completed.
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| 2000 Kills (10) | Kill over 2000 enemies in a single level.
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| 250 Kills (10) | Kill over 250 enemies in a single level.
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| 500 Kills (10) | Kill over 500 enemies in a single level.
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| Big Gun Challenge (10) | Finish a level with only big guns.
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| Big Levels (10) | Finish one level of the extended campaign.
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| Campaign Completed (10) | Complete the campaign.
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| Content Creator (10) | Build a level with the level editor and finish the level.
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| Coop Player (10) | Finish one coop levels.
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| Engineer (10) | Upgrage 5 towers in a single level.
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| Experienced (10) | First 65 levels completed.
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| Extended Campaign Completed (10) | Complete the extended campaign.
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| First Level (10) | First level completed.
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| First Upgrade (10) | First tower upgraded.
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| Half Way (10) | First 45 levels completed.
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| Laser Challenge (10) | Finish a level with only lasers.
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| Making Progress (10) | First 10 levels completed.
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| Rocket Challenge (10) | Finish a level with only rocket launchers.
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| Splash Damage (10) | Kill 3 enemies with a single shot.
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| Splash Damage (10) | Kill 5 enemies with a single shot.
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| Tutorial Completed (10) | First 5 levels completed.
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