Sure! Here's an example of an interactive game implemented as a single HTML file using JavaScript:
Quicksand Sink in Sand
This example sets up a simple game where you control a blue square (the player) using arrow keys on a smartphone or computer. The game loop continuously clears the canvas, updates the player's position based on user input, and redraws the player on the canvas.
Please note that this is just a basic example to get you started. You can enhance the game by adding obstacles, scoring, levels, or any other features you desire.