Certainly! Here's an example of a simple game implemented as a single HTML file, using JavaScript and enclosed in script tags. The game is a basic "Click the Pictogram" game, where you have to click on the randomly spawned pictograms within a certain time limit.
Pictogram Clicking Game
Score: 0
Time: 10
Please note that this is a simplified example and you can modify it, enhance it, or add more features based on your preferences.