Best Mayor Achievements Here is the full list of all 15 Best Mayor 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 Island 1Win Island 1 game. Island 2Win Island 2 game. Island 3Win Island 3 game. Island 4Win Island 4 game. Island 5Win Island 5 game. Island 6Win Island 6 game. Island 7Win Island 7 game. Island 8Win Island 8 game. Island 9Win Island 9 game. Island 10Win Island 10 game. GROWTHTrigger the growth effect 1,000 times in one game. DESTROYTrigger the industry effect 1000 times in one game. PROFICIENTWin 10 games MastarWin 100 games MILLIONOne million per round.