Sure, here's an example of a simple game implemented as a single HTML file using JavaScript and enclosed in script tags:
Pictogram Game
Click on the correct pictogram to earn points!
Score: 0
In this game, random pictograms are generated for the player to guess. The player clicks on the correct pictogram from the given options to earn points. If the player selects the correct pictogram, they receive 10 points, otherwise, they lose 5 points. The score is displayed at the top, and a new round is generated after each selection.