| Achievement | How to unlock
|
|---|
| Aliens Go Home | Finish 3 missions on 3 stars.
|
| All Clear | Finish 12 missions on 3 stars.
|
| Defcon 1 | Fire all superweapons in a single wave.
|
| Endangered Species | Collect 100 Dancing Aliens.
|
| Fiscal Responsibility | Save 1000 or more credits in a single mission.
|
| Gun Forest | Place 50 weapons in a single mission.
|
| Industrial Complex | Build all weapons in a single mission.
|
| Quality Over Quantity | Upgrade 5 weapons to the max in a single mission.
|
| Take A Day Off, Doc | Finish 5 missions without the Research Unit.
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| Xenocide | Kill 30000 aliens.
|