Sure! Here's an example of a simple game implemented as a single HTML file using JavaScript. This game involves a character collecting coins while avoiding obstacles:
When you open this HTML file in a web browser, you will see a canvas displaying the game. You can control the character's movement using the arrow keys on your keyboard. The character needs to collect all the coins while avoiding the obstacles. If the character hits an obstacle, an alert will be displayed saying "Game Over!" and the game will be restarted.
Please note that due to the limitations of the text-based interface, the pictograms cannot be directly represented here. However, you can visualize how the game will look when you run it in a web browser.