Sure! Here's an example of a simple generative art game implemented as a single HTML file using JavaScript:
This code sets up a simple generative art game where particles are randomly generated and move around the canvas. The particles slowly shrink in size and eventually disappear. The game continuously loops to generate new particles and update/draw existing particles.
You can open this HTML file on a smartphone browser to play the game. The particles will be represented by red circles on the canvas. Each time you play, you'll get a unique generative art pattern.