Sure! Here's an example of a simple game implemented as a single HTML file with JavaScript:
This example sets up a basic game framework using the HTML5 canvas element and JavaScript. It initializes the game area, defines a game loop using the `updateGameArea()` function, and starts the game when the page is loaded. A pictogram of a ladybug (`🐞`) is drawn on the canvas - you can replace it with any other pictograms or graphics you want to use in your game.