Crystal Tower Defense Achievements Here is the full list of all 8 Crystal 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 Welcome to Crystal WorldFinish the first stage. The whole ArsenalUnlock all turrets. Bring out the big GunsEquip a turret for the first time. Shiny CrystalOpen your first Crystal. Speak to AndreUpgrade an item for the first time. UnstoppableCraft a legendary item for the first time. Lucky DayUnlock a legendary item for the first time. The Chosen ArchitectSurvive 10 stages without building a single wall.