Race massive big wheeled monster trucks over 4 courses. Design your monster truck and try and unlock all the courses and cars. Extra bonus car for coming first on every track, it's fast so use it to go for the best times.
Use cursor keys to play - up arrow to accellerate, left and right to steer and down to brake/reverse.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.