Fireboy and Watergirl 4: Crystal Temple Game.Move with WASD and the arrow keys.On mobile you can change controls in the options menu.Fireboy and Watergirl on an adventure through the Crystal Temple! Teleport from one side to the other. Complete all challenging levels. Watch out for all dangers and observe the colors of the teleporters. Switch between Fireboy & Watergirl- but watch out; Fireboy cannot touch water, and Watergirl cannot touch fire.