Sure! Here's a sample racing game implemented as a single HTML file with JavaScript:
This racing game uses a simple implementation where you control a car using the left and right arrow keys on your smartphone. The objective is to avoid colliding with the green obstacle moving from top to bottom. If the car collides with the obstacle, the game ends and an alert message is displayed.
Please note that due to the limitation of plain text, pictograms cannot be included directly in this response. However, you can customize the appearance of the game elements by modifying the CSS styles in the `<style>` tag.