Control speed using arrow keys, or by clicking the stage. Click the top of the screen to summon a friend. All code by me (@kriblo). I originally made the graphics "Blue & I": https://scratch.mit.edu/projects/768099026/ The ground is generated by adding sine curves with random frequency, amplitude and phase. The pitch of the engine sound is determined by the speed, and the difference in y of the two wheels. Music is The Guns of Brixton with Dub Spencer & Trance Hill (originally by The Clash).