Sure! Here's an example of a simple Atari Pong game implemented as a single HTML file, using JavaScript and enclosed in script tags. Please note that this is a simplified version and may not include all the desired features:
This HTML file sets up a simple Atari Pong game with balls, paddles, and lasers. You can control the player's paddle using the up and down arrow keys on a smartphone. Pressing the spacebar (or tapping on the canvas) will fire lasers from the player's paddle. The game ends if the ball touches the walls.