Sure! Here's a simple game implemented as a single HTML file using JavaScript and enclosed in script tags.
This game uses an HTML canvas element to draw and animate particles. When you touch the screen, a new particle is created at the touch location, and the particles move around the screen with a random speed. The particles wrap around the screen edges, ensuring they remain visible.
Please note that this game is a basic example and can be further enhanced with additional features, levels, and objectives according to your requirements.