Simple Mult Idle - is a little game, made in about a week, which combines Revolution Idle and Swarm Simulator mechanics. Can you unlock all upgrades in game? You'll have to spend money in order to buy upgrades. Good luck! Simple Mult Idle,idle game,clicker game,upgrade game,swarm simulator,revolution idle,idle clicker,empire building,resource management,mobile game,casual game,free to play,unlock upgrades,money,idle economy,clicker,math