Astro Tripper Achievements Here is the full list of all 8 Astro Tripper achievements.Filter Achievement View View Image viewList view Sort by Won first then 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 AllWonNot wonSneeky IncursionDestroy the Boss without opening more than one outer door. Only 1 of the 3 outer doors may be opened to any degree. 16 May 2014 - Add a guideWheel CollectorComplete level Fizz Wheels without killing a Fizz Wheel, ( the rolling wheels connected by a laser ). 16 May 2014 - Add a guideSpidery PointDestroy the Spider Boss on Arachnophobia, without destroying any of its mini guns. 16 May 2014 - Add a guideWorm TangleDestroy 3 Worms in sequence on The Ooze. 16 May 2014 - Add a guideFly SwatterDestroy 3 Flypods within 5 seconds on any level of Insect Infestation. 16 May 2014 - Add a guideTank SympathizerDestroy both generators on Claustrophobia without killing a Tank. 15 May 2014 - Add a guideTank OppressorDestroy 20 tanks in sequence. 15 May 2014 - Add a guidePod OppressorDestroy 10 mutated pods in any one level of Training Grounds. 15 May 2014 - Add a guide