Sure, below is an example of a simple game where the user needs to find the shape displayed on the screen. The game is implemented as a single HTML file with JavaScript code enclosed in script tags:
Find the Shape Game
In this game, a random shape from a predefined list of shape pictograms is displayed on the screen. The user needs to click on the corresponding shape displayed. If the user clicks on the correct shape, a success message is shown, otherwise, an error message is displayed. After a second, a new random shape is displayed for the user to find again.