Game the mixes the puzzles with the platform game. The objective here is reaching the exit with both characters. Use W,A,S,D to move the water girl and the arrow keys to move the fire boy. In some occasions you will have to move them simultaneously.
Dare your friends play this game, where the one who gets the higher score in a little time wins. Throw balls and make groups of 4 to do it. Player 1: A,D, to move and W to shoot. Player 2: left and right arrow key to move and up arrow to shoot.