Sure! Here's an example of a simple car game implemented as a single HTML file using JavaScript:
This code sets up a simple car game where the player controls a car using the arrow keys. The car is represented using a blue rectangle drawn on a canvas. By pressing the right arrow key, the car moves right, and by pressing the left arrow key, the car moves left. The position of the car is continuously updated, and the game loop ensures smooth animation of the car's movement.
Please note that this is just a basic example, and you can expand upon it by adding more features like obstacles, scoring, levels, etc., to make it a more engaging and realistic car game.