Assassin Of Aliens Achievements Here is the full list of all 6 Assassin Of Aliens 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 Find skull map 1Find skull map 1 Find skull map 2Find skull map 2 Find skull map 3Find skull map 3 Find skull map 4Find skull map 4 Find skull map 5Find skull map 5 Find skull map 6Find skull map 6