GREEN TANK: Use arrow keys to move and press M to shoot. RED TANK: Use WASD to move and press Q to shoot. BLUE TANK: use mouse. Tank trouble 3 expects you to time your shots carefully so that you can defeat your enemies. Moreover, it is a strategy game that enables you to play online. With Tank Trouble 3, you don't have to worry about deadlines nor anything like that, instead this is a fun, relaxing game that you can play whenever.