Sure! Here's an example of a simple game where you need to tap on a moving block to score points. The game will continue until you reach a score of 100. This implementation is for smartphones and uses pictograms:
To play the game, simply copy the above code into a single HTML file and open it on your smartphone's web browser. When the block appears, tap on it to score 10 points. The block will then disappear and reappear in a random position for you to tap again. Keep tapping until you reach a score of 100, and you'll win!