Ad Astra: Sci-Fi Tower Defense Achievements Here is the full list of all 9 Ad Astra: Sci-Fi Tower Defense 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 User ManualRead the Tutorial pages In 'n OutWin a Quick game on any level IT'S OVER 9,000!Achieve a score greater than 9,000 Battle-ScarredWin a Standard Game on any level Not a Scratch!Finish a Standard Game with 100% Main Base HP. Dragon SlayerDefeat a Boss & win the Game Is that all you've got?!In Infinite mode, finish 50 or more rounds. LegendaryIn Infinite mode, finish 100 or more rounds. Around the 'VerseComplete all maps on any difficulty