Certainly! Here's an example of a game called "Rocket Escape" implemented as a single HTML file using JavaScript and enclosed in script tags. The game is playable on a smartphone and uses pictograms for visual elements. It features a rocket ship flying through space, avoiding red lasers and asteroids. The objective is to score as many points as possible before colliding with any obstacles. When the player dies, they have to restart the game.
Please note that in the code above, the rocket, laser, and asteroid images (`emozi_all/rocket.png`, `emozi_chicken.png`, and `emozi_rabbit.png`) must be present in the same directory as the HTML file for them to be displayed correctly. Additionally, the logic for moving the rocket and handling smartphone controls needs to be implemented, which was left as a placeholder for brevity.