Steam Achievements
| Achievement | Description |
|---|---|
| 10 SAUCERS | Destroyed 10 saucers |
| 100 SAUCERS | Destroyed 100 saucers |
| 25 SAUCERS | Destroyed 25 saucers |
| 50 SAUCERS | Destroyed 50 saucers |
| A SPY IN OUR MIDST | 100 aliens escape capture |
| ANAL PROBE | Captured 100 live aliens |
| AREA 51 | Captured 50 live aliens |
| BEGINNING TO LOOK DELIBERATE | Killed 50 parachuting aliens |
| BUTTERFINGERS | 25 aliens escape capture |
| CARELESS | 10 aliens escape capture |
| DEADEYE DICK | Got 100 skill shots |
| EARTH | Completed the Earth Levels |
| GADGET FREAK | Added all addons to ship |
| HE FELL DOWN THE STAIRS | Killed 25 parachuting aliens |
| MARKSMAN | Got 50 skill shots |
| MARS | Completed the Mars levels |
| MOON | Completed the Moon levels |
| MULTIPLIER | Got the x9 multiplier |
| PERFECT! Level 14 | Perfect Challenge Level 14 |
| PERFECT! Level 21 | Perfect Challenge Level 21 |
| PERFECT! Level 28 | Perfect Challenge Level 28 |
| PERFECT! Level 35 | Perfect Challenge Level 35 |
| PERFECT! Level 42 | Perfect Challenge Level 42 |
| PERFECT! Level 49 | Perfect Challenge Level 49 |
| PERFECT! Level 56 | Perfect Challenge Level 56 |
| PERFECT! Level 63 | Perfect Challenge Level 63 |
| PERFECT! Level 7 | Perfect Challenge Level 7 |
| PERFECT! Level 70 | Perfect Challenge Level 70 |
| PERFECT! Level 77 | Perfect Challenge Level 77 |
| PERFECT! Level 84 | Perfect Challenge Level 84 |
| PERFECT! Level 91 | Perfect Challenge Level 91 |
| PERFECT! Level 98 | Perfect Challenge Level 98 |
| POKE AND PROD | Captured 10 live aliens |
| QUICK DRAW MCGRAW | Got 25 skill shots |
| REWIRED IT | Upgraded addons to maximum rate |
| SATURN | Completed the Saturn levels |
| SHARP SHOOTER | Got 10 skill shots |
| SIZE OF MY CANNON | Maxed gun power |
| SUSPICIOUS BEHAVIOUR | 50 aliens escape capture |
| TITAN | Completed the Titan levels |
| TRIGGER HAPPY | Maxed gun bullets |
| ULTIMATE SHIP | Everything maxed out |
| ULTIMATE WEAPON | Guns and addons maxed |
| UNETHICAL EXPERIMENTS | Captured 25 live aliens |
| VOLATILE TEMPERAMENT | Used 25 smartbombs |
| WAR CRIMES | Killed 100 parachuting aliens |
| WHOOPS! | Killed 10 parachuting aliens |
