SlingStar Achievements Here is the full list of all 4 SlingStar 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 Hopeful TravellerCompleted the Hopeful Galaxy. Fledgling JourneyCompleted the Fledgling Galaxy. Protogalaxy DiscoveryCompleted the ProtoGalaxy The PlanetariumYou visited the Planetarium.