YASS: Yet Another Space Shooter Achievements Here is the full list of all 8 YASS: Yet Another Space Shooter 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 First Boss!Defeat your first boss. Boss destroyer!Defeat the first boss without loosing any health. Second Boss!Defeat the second boss. Third Boss!Defeat the third boss. Annihilator!Defeat the second boss without loosing any health. The Fastest Ship In the West.Defeat the third boss without loosing any health. Rage!Destroy 200 enemies in a level, without taking any damage. 1CCBeat the game without any deaths!