Sure! Here's an example of a simple game implemented in a single HTML file, using JavaScript and pictograms. The game is called "Picto Catcher." It's a game where you need to catch falling pictograms using touch gestures on a smartphone.
To play the game, simply copy and paste the code into an HTML file, open it in a web browser on your smartphone, and start catching the falling pictograms by tapping on them. The player's score will be displayed at the top left corner of the screen. The game speed increases over time to make it more challenging. Enjoy playing "Picto Catcher"!