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Achievements
Destroy Space AliensSync your progress to see which achievements you've unlocked.
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First Encounter
Triumph against a Boss Space Alien for the first time.
62.5% global
Beat Library
Defeat the Floater Boss in the Library
32.1% global
Beat Watchtower
Defeat the Lander Boss in the Watchtower
24.1% global
Beat Caverns
Defeat the Dragon Boss in the Caverns
24.1% global
Beat Catacombs
Defeat the Hopper Boss in the Catacombs
23.5% global
Beat Keep
Defeat the Space Alien Lord in the Keep
23.2% global
Hidden Achievement
HiddenKeep playing to discover this achievement
24.1% global
Hidden Achievement
HiddenKeep playing to discover this achievement
21.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
20.7% global
Hidden Achievement
HiddenKeep playing to discover this achievement
19.8% global
Hidden Achievement
HiddenKeep playing to discover this achievement
19.5% global
Hidden Achievement
HiddenKeep playing to discover this achievement
18.2% global
Hidden Achievement
HiddenKeep playing to discover this achievement
17.6% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.7% global
Hidden Achievement
HiddenKeep playing to discover this achievement
17.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.7% global
Hidden Achievement
HiddenKeep playing to discover this achievement
14.8% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.4% global
Hidden Achievement
HiddenKeep playing to discover this achievement
15.7% global
Hidden Achievement
HiddenKeep playing to discover this achievement
15.1% global
Hidden Achievement
HiddenKeep playing to discover this achievement
11.1% global
Empty Ledge
Give in to Vengeance (Worst Ending)
4.9% global
Blocked View
Complete the game without destroying all of the Space Aliens (Normal Ending)
4.6% global
Early Escape
Sequence break out of the first segment of the game
3.7% global
Destroy Space Aliens
Destroy all of the Space Aliens (Best Ending)
8.3% global
Speed Runner
Finish the game (Best Ending) in under 2 hours
3.4% global
Low Percent
Finish the game (Best Ending) without collecting Health, Damage, or Defense Ups
3.0% global
Kill the Animals
Eliminate the baby space aliens during the final game sequence.
3.4% global
