As an AI language model, I can help you create a simple game using JavaScript within an HTML file. Below is an example of a basic guessing game implemented as a single HTML file:
Guessing Game
Guess the correct pictogram!
In this example, the game displays a random pictogram from an array. The player's task is to enter their guess into the input field and click the "Submit" button. The game then checks if the guess matches the expected correct answer (currently set to "correct"). The player receives a message indicating whether their guess was correct or not.
Please note that this is a simple example to demonstrate the structure of a game implemented as a single HTML file using JavaScript. You can modify and expand this code according to your specific game's requirement and logic.