Colony Assault Achievements Here is the full list of all 35 Colony Assault 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 Hard landing Just a scratchSurvive an explosion TerminatorPersonally shoot 1000 aliens ContributorOver 100 000 aliens killed globally Clear skyFinish episode 1 on any difficulty Clear sky nightmareFinish episode 1 on nightmare Hawks clawFinish episode 2 on any difficulty Hawks claw nightmareFinish episode 2 on nightmare to unlock nightmare++ SurvivorFinish survival mod RecoverySurvive an alien attack Salto mortaleKill an airborn alien PersistentSurvive 15 vawes in survival mod Pathfinder Decoder Demolition expert The endActivate the nuke and escape - survival mod ???Find the alien artifact in episode 2 220V Infiltrator SaviorExtract 75 civilians in one game OfficerFinish episode 2 without personally shooting a single alien CommanderFinish episode 2 personally killing at least 10 aliens and personally liberating at least one civilian Expert marksmanKill 25 aliens in a row using a sniper rifle without missing a single shot - survival mod Shotgun expertKill 8 aliens in a row using a shotgun without reloading Flamethrower expertBurn 100 aliens using a flamethrower GrenadierKill 100 aliens using grenades or grenade launcher - survival mod Minigun expertKill 10 aliens using a minigun in one full burst Melee expertKill 100 aliens using a bladed weapon - survival mod DriverTraverse 33% of the sector driving the APC without stopping Full evacuation Sleeping beauty Mine trap SamuraiKill alien princess with a bladed weapon Too easyForce 100 aliens into abyss Road warriorDrive over 100 aliens