WE NEED YOU! The world is under attack by relentless, expanding factories, and you are our last hope. In Save the World!, your mission is to reclaim the land for nature. Click or tap on the grid to plant lush, green trees and fight back against the industrial invasion. But you have to be quick—the factories will constantly try to colonize your squares. If they manage to take over the entire board, the world is lost! Every time you successfully fill the board with trees, you win the level.