Sure! Here's an example of a baking game where you can bake pastries and serve customers using JavaScript within a single HTML file:
Baking Game - Bake Pastries and Serve Customers
Click on the oven to bake pastries and serve customers
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You can save the above code in a file with a `.html` extension, and open it in a web browser (preferably on a smartphone) to play the game. When you click on the oven, a pastry will be baked, and customers will appear. You can click on the customers to serve them with a pastry. Enjoy the baking game!