Helium Skies Achievements Here is the full list of all 15 Helium Skies 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 CompletionistFinish level 1 CompletionistFinish level 2 CompletionistFinish level 3 CompletionistFinish level 4 CompletionistFinish level 5 CompletionistFinish level 6 CompletionistFinish level 7 CompletionistFinish level 8 CompletionistFinish level 9 CompletionistFinish level 10 CompletionistFinish level 11 CompletionistFinish level 12 CompletionistFinish level 13 CompletionistFinish level 14 CompletionistFinish level 15