Use the keyboard to move Fireboy and Watergirl through the maze and collect all the diamonds on their way to the exits. The A,W,D keys move Watergirl and the arrow keys move Fireboy. Since fire and water don't mix, be sure to not let Fireboy go in the water lakes and don't let Watergirl go in the fire lakes... And keep them both out of the black lakes.Solve puzzles without mixing the elements in Fireboy and Watergirl 4! This sequel features platforms that are more challenging than ever before. Control both characters at the same time to navigate each area. Hold down buttons, flip switches, and reach the exit to win!Much fun! Join now!