Sure! Here's an example of a simple game called "Fruit.io" where you control a small fruit and try to eat smaller AI-controlled fruits while avoiding larger ones. The game will keep track of your size and level you up when you eat smaller fruits. It will also increase your size by 2% every time you eat a small fruit.
To keep things simple, I'll write the code as an HTML file with the necessary JavaScript enclosed in script tags.
To play the game, you can open this HTML file in a web browser on a smartphone or any other device with a browser. The game canvas will be displayed, and you can control the player fruit by touching or moving the mouse cursor. Try to eat smaller AI fruits while avoiding larger ones to level up and increase your size. If you get eaten by a larger fruit, you will be prompted to play again.
Note: This is a simplified example to demonstrate the concept. You can further enhance and customize the game based on your specific needs and preferences.