Sure, here's an example implementation of "The Super Bros" game as a single HTML file using JavaScript:
This example creates a simple game where the player controls a character (player) using the left and right arrow keys to move horizontally and the up arrow key to jump. The goal is to collect all the coins by colliding with them. The score increases by 1 each time a coin is collected.
The game loop continuously updates the game state, including player movement, gravity, collision detection, and rendering. The score is displayed on the screen using the canvas context.
Note that this is just a basic example and can be further expanded and improved to match your specific game design requirements.