Welcome to another puzzle game from the famous online game series about fire boy and water girl. FireBoy and WaterGirl 4: The Crystal Temple is here. In the fourth part of this fun and addictive platform game series you have to lead both protagonists through the deep of the ancient temple to the exit door. Use portals, turn switches and help FireBoy to pick up all red crystals and WaterGirl the clear blue ones to progress. Don't forget, that the girl can not touch fire and don't let the boy come close to the fire, otherwise they are going to die. The exit doors won't open till you collect all the gems. Have fun in this cool FireBoy and WaterGirl 4 game.