Galactic Missile Defense Achievements Here is the full list of all 10 Galactic Missile Defense achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Cutting Edge TechnologyUpgrade all boosters and weapons to maximum level. A task only for the mighty! Lost in SpaceDestroy a total of 500 enemies, using the Black Hole booster. Martian SafariDestroy 1 of each enemy type. Master the BasicsUse your Plasma to upgrade any booster. Master of NegotiationsDestroy a total of 100 Vault Keepers. OmniSCIENCEUse 1 of each booster and weapon type. Galactic MayhemDestroy a total of 250 enemies, using the Armageddon booster. Last Hope of EarthClear level 25. Extra CrispyDestroy a total of 200 enemies using the Lightning Gun. Armed and DangerousPlay a round, having 6 max stacked boosters from the start of the game.