Sure! Here's an example of a simple generative art game implemented as a single HTML file using JavaScript:
In this game, pictograms of random colors are generated in random positions on a canvas. The player's task is to touch (click) on the pictograms to remove them. The game continuously updates the canvas to show the current state.
Please note that this is a very basic example of a generative art game, but it can give you a starting point for building more complex and visually appealing games.