Sure! Here's an example of a clicker game implemented as a single HTML file using JavaScript:
Clicker Game
Score: 0
To use this code, save it as a `.html` file on your computer and open it in a web browser. The game will display a clicker icon, and each time you click on it, your score will increase by one. The updated score will be displayed on the page. Feel free to replace the background image of the clicker with your own pictogram or any other image you prefer.