Cosmic Invasion Achievements Here is the full list of all 24 Cosmic Invasion 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 Chain Reaction IDestroy 250 UFOs with debris from a destroyed UFO ship. Chain Reaction IIDestroy 1000 UFOs with debris from a destroyed UFO ship. Chain Reaction IIIDestroy 5000 UFOs with debris from a destroyed UFO ship. On The Defense IHit 500 UFO's with a Defensive Structure Missile. On The Defense IIHit 2000 UFO's with a Defensive Structure Missile. On The Defense IIIHit 10000 UFO's with a Defensive Structure Missile. Rock a Bye Baby ICollect 1000 metal from Asteroid Fields. Rock a Bye Baby IICollect 4000 metal from Asteroid Fields. Rock a Bye Baby IIICollect 20000 metal from Asteroid Fields. Cloud 9 ICollect 1000 science from Nebulas. Cloud 9 IICollect 4000 science from Nebulas. Cloud 9 IIICollect 20000 science from Nebulas. Crystal Ball ICollect 300 crystals from a Crystalline Planet. Crystal Ball IICollect 1200 crystals from a Crystalline Planet. Planetarium ICollect 300 Modules from planets. Planetarium IICollect 1200 Modules from planets. Planetarium IIICollect 6000 Modules from planets. Crystal Ball IIICollect 6000 crystals from a Crystalline planet. Bang Bang Bang IDestroy 800 UFO's with your Machine Gun. Bang Bang Bang IIDestroy 3200 UFO's with your Machine Gun. Bang Bang Bang IIIDestroy 16000 UFO's with your Machine Gun. Kaboom! IDestroy 500 UFO's with a ships missile. Kaboom! IIDestroy 2000 UFO's with a ships missile. Kaboom! IIIDestroy 10000 UFO's with a ships missile.