Sure! Here's a simple example of a 4D game implemented as a single HTML file, using JavaScript, and enclosed in script tags. Since it's a text-based game, it won't require pictograms. You can copy the code into an HTML file, save it, and open it in a web browser. Enjoy playing!
To play the game, open the HTML file in a web browser on your smartphone. Follow the instructions provided in the console. Use the arrow keys on your smartphone to navigate through the 4D world and try to reach the target position [2, 2, 2, 2] before running out of steps.
Remember to open the web browser's console to see the game messages and updates. Good luck and have fun!