Sure! Here's a simple game called "The Chase" where the player can ride on different animals such as an Elephant, Horse, Cow, Lion, Kangaroo, Zebra, and Giraffe. The game can be played on a smartphone.
To play the game, you can copy the above code into a single HTML file (e.g., `game.html`) and open it on your smartphone using any web browser. You can touch the screen to move the rider (represented by a rocket 🚀) and avoid being caught by the animals. If the rider collides with an animal, a game over message will appear, and you can reload the page to play again. The animals are represented by pictograms such as 🐘, 🐎, 🐮, etc.