Sure! Here's an example of a simple jumping rhythm game implemented as a single HTML file using JavaScript:
This implementation creates a jumping rhythm game where you control a player object and try to jump over randomly generated obstacles. The player jumps when the "X" key is pressed. Obstacles are created at intervals and move from right to left. The score increases as time goes on. If the player collides with an obstacle, the game ends and the final score is displayed.
Feel free to adjust the jump height, duration, obstacle height, and any other elements to modify the game according to your preferences.