Sure! Here's an example of how you can create a simple Pac-Man game using JavaScript within a single HTML file:
In this example, the game board is displayed as a grid using CSS grid. The Pac-Man character is represented using an image file (`emozi_all/game.png`) specified in the CSS background-image property. The arrow keys on the keyboard are used to control Pac-Man's movement. Pac-Man will move in the corresponding direction when an arrow key is pressed. The game loop continuously updates Pac-Man's position on the grid and handles the animation of his movement.