Sure! Here's an example of a simple block breaker game implemented as a single HTML file using JavaScript:
This game uses a canvas element to render the game graphics and JavaScript to handle the game logic. The player can control the paddle using touch events on a smartphone or keyboard events on a computer. The objective is to break all the bricks using the bouncing ball without letting it touch the bottom of the screen.
Please note that this is a basic implementation, and you can enhance it further based on your requirements and preferences.