Sure! Here's an example of a simple space shooter game using JavaScript, HTML, and pictograms. Remember to save the following code as a single HTML file:
This code sets up a simple space shooter game where you control a blue spaceship with left and right arrow keys on a smartphone. You can shoot bullets by pressing the spacebar, and you must shoot down the green enemy spaceships to increase your score. The game ends if an enemy spaceship collides with your spaceship. Enjoy playing!