Carl's Alien Shooting Achievements Here is the full list of all 18 Carl's Alien Shooting 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 Stage Clear: EasyFinish all stages in easy mode. Stage Clear: NormalFinish all stages in normal mode. Stage Clear: HardFinish all stages in hard mode. Stage Clear: HellFinish all stages in hell mode. Stage Clear: ImpossibleFinish all stages in impossible mode. Stage Clear: PythonFinish all stages using Me-506 Python Stage Clear: VortexFinish all stages using F-99 Vortex Damage Level: 10,000Make 10,000 damage to enemies Damage Level: 100,000Make 100,000 damage to enemies Damage Level: 1,000,000Make 1,000,000 damage to enemies Damage Level: 10,000,000Make 10,000,000 damage to enemies Damage Level: 100,000,000Make 100,000,000 damage to enemies MillionaireObtain 1,000,000 crystal Missiles ReadyEquip all sub weapons and upgrade both to lv. 10 Brrrrrrrrrrrt!Upgrade main weapon to lv. 10 Stage Clear: CapricornusFinish all stages using WJ-22 Capricornus Murder: ObserverKilled the Observer in any difficulty. Stage Clear: MerveilleFinish all stages using M-3999 Merveille Drone Deployer