Description: Play FireBoy and WaterGirl 4 free online game at Friv2015Games.Net. FireBoy and WaterGirl 4: The Crystal Temple is here. In the fourth part of the fun-addicting 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 blue crystal clear stones and WaterGirl the red ones to progress. Much fun.. I wish you happy gaming!