Sure! Here's an example of a simple game implemented in a single HTML file using JavaScript and enclosed in script tags. This game is designed to be playable on a smartphone, and it uses pictograms for visuals.
Free Fire Max - Pictogram Game
Score: 0
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In the above code, you'll find a simple game where the player can tap on pictograms (represented by emojis) to increase their score. The score is displayed on the screen, and every time a pictogram is clicked, the score updates accordingly.
Feel free to customize and enhance this example to create your own game.