Use spacebar to accelerate. This project demonstrated parallax scrolling. Notice the three layers that move at different speeds.
simple variables, basic math, simple events, resize actor, direction and turning, layers, functions, advanced motion, delays, simple loops, screen bounds, simple conditionals, advanced costume handling, actor properties, miscellaneous, advanced animation, simple motion, detect conditions, input/output, visibility, expert math, conditional loops, simple sound playing, simple costume handling, text handling,