Control both characters at the same time! Go through the portals to teleport! Activate buttons and levers to move platforms, push boxes and roll balls. Collect all the diamonds and get each character to his or her door! Use W, A, S and D to move WaterGirl and the arrows to move FireBoy. Click the green gem on the bottom of the screen to pause the game. How many levels can you get through? Have fun playing FireBoy and WaterGirl 4: The Crystal Temple!