Round Mars Achievements Here is the full list of all 4 Round Mars 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 The way to home planetStart the game 50 metres in diameterNeed to planet earth was reduced to 50 meters 40 metres in diameterNeed to planet earth was reduced to 40 meters 30 metres in diameterNeed to planet earth was reduced to 30 meters