Galactic Missile Defense achievements
10 achievements on Steam
Rarest first. Published rarity by platform.
Each platform measures its own player population.Why that matters
Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison. Percentages are shown exactly as each platform publishes them — Pyroblast does not recalculate them or mix player populations together.
Extra CrispySteam onlyDestroy a total of 200 enemies using the Lightning Gun.
Steam2.1%
Master of NegotiationsSteam onlyDestroy a total of 100 Vault Keepers.
Steam2.1%
Lost in SpaceSteam onlyDestroy a total of 500 enemies, using the Black Hole booster.
Steam2.2%
Last Hope of EarthSteam onlyClear level 25.
Steam2.2%
OmniSCIENCESteam onlyUse 1 of each booster and weapon type.
Steam2.2%
Galactic MayhemSteam onlyDestroy a total of 250 enemies, using the Armageddon booster.
Steam2.2%
Cutting Edge TechnologySteam onlyUpgrade all boosters and weapons to maximum level. A task only for the mighty!
Steam2.2%
Martian SafariSteam onlyDestroy 1 of each enemy type.
Steam2.2%
Armed and DangerousSteam onlyPlay a round, having 6 max stacked boosters from the start of the game.
Steam2.2%
Master the BasicsSteam onlyUse your Plasma to upgrade any booster.
Steam7.7%
Played Galactic Missile Defense? See how many of these you've got.
- Which ones you've earned — and which you're missing
- Your rarest unlock, and where it ranks
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How rarity is calculated
Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.
- Steam — Valve's published global unlock percentage across Steam owners of the game.
Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated .