Star Explorers Achievements Here is the full list of all 23 Star Explorers 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 MothershipYou have reached the mothership! Complete Mission 1You have completed the First Mission! Complete Mission 2You have Completed the Second Mission! Complete Mission 3You have completed the Third Mission! Earth Like PlanetYou have discovered an Earth like planet! Unlock Ancient RuinYou have unlocked an ancient ruin! Craft an Ancient ArtifactYou have successfully crafted an ancient artifact! Discover Alien LifeYou have discovered a world of alien life forms! Die in LavaYou have melted in hot lava! Die in AmmoniaYou have succumbed to the corrosive effects of ammonia! Die in MercuryToxic mercury has overwhelmed you! Die from ColdYou have frozen to death! Die from Heat and RadioactivityYou have died from heat and radioactivity simultaneously! Die from Suffocation and AcidYou have died from suffocation and acid simultaneously! Die by HypergiantYou have crashed your ship into a hypergiant star! Cave DiscoveredYou have found a cave! Five Caves DiscoveredYou have discovered five caves! Ten Caves DiscoveredYou have discovered ten caves! Twenty Five Caves DiscoveredYou have discovered twenty five caves! Land on a PlanetYou have landed on a planet! Land on Five PlanetsYou have landed on five unique planets Land on Ten PlanetsYou have landed on ten unique planets Land on Twenty Five PlanetsYou have landed on twenty five unique planets