Sure, here's an example of a simple game implemented in a single HTML file using JavaScript. This game is called "Running of the Book" and it involves helping a character escape from a magical book.
Please note that this is just a basic example and would require further development to make it a complete game.
This HTML file sets up a canvas element where the game will be displayed. The game logic is handled in JavaScript using the `getContext` method to render graphics on the canvas and event listeners to handle touch events for character movement.
Please note that you would need to provide the actual `emozi_himawari.png` image and add more game mechanics, rendering logic, and functionality to make it a complete game.