Zerion 12 Achievements Here is the full list of all 15 Zerion 12 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 Sector 01Complete Sector 01 Sector 02Complete Sector 02 Sector 03Complete Sector 03 Sector 04Complete Sector 04 Sector 05Complete Sector 05 Sector 06Complete Sector 06 Sector 07Complete Sector 07 Sector 08Complete Sector 08 Sector 09Complete Sector 09 Sector 10Complete Sector 10 Sector 11Complete Sector 11 Sector 12Complete Sector 12 PerfectUnlock Stars For All Sectors Tower PowerCreate One Of Every Tower Type In A Single Sector It Only Takes TwoComplete A Sector With Only Placing Two Tower Types