Sure! Here's a simple example of a game implemented as a single HTML file using JavaScript, enclosed in script tags:
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In this game, a target emoji (pictogram) is displayed in the center of the screen. The player's goal is to click on the target to win the game. If the player clicks anywhere else on the screen, they lose. After each round, an alert is shown to inform the player of their result, and the game is reset for another round.
Please note that this is a very basic example to illustrate the concept of a game using HTML and JavaScript. You can further enhance and customize the game based on your requirements and preferences.