Sure! Here's an example of a balloon popper game implemented as a single HTML file using JavaScript:
Balloon Popper
Score: 0
To play the game, simply copy and paste the above code into an HTML file and open it in a web browser. The game will start automatically, and you can pop the balloons by clicking on them. Each balloon has different speed and points associated with it. The score will be displayed at the bottom of the game window. Have fun popping balloons!