As an AI text-based model, I am unable to directly generate an HTML file for you. However, I can provide you with an example of a simple game implementation using JavaScript that you can incorporate into an HTML file. You can copy and paste the following code into your HTML file, enclosed within the appropriate script tags:
This example creates a simple game where a ball moves around inside a canvas element. The ball bounces off the edges of the canvas to create a basic animation. You can modify and enhance this code to suit your specific game requirements.