Seraph's Last Stand Achievements Here is the full list of all 8 Seraph's Last Stand 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 SoccererDefeat Sarbknathus. Power of 2Defeat Alopepetciamus. AscendedAscend for the first time. High-End SpecsGet to wave 90 without exploding your computer. SpeedrunnerGet to wave 60 in less than 20 minutes. SmurfUnlock all soul upgrades. ArsenalUnlock all staffs. CosplayerUnlock all hats.