Sure! Here's an example of a game called "War of the Toilet and Happy Emoji" implemented as a single HTML file using JavaScript. The game involves two characters, a Toilet and a Happy Emoji, battling each other. It's designed for smartphone operation and uses pictograms for visual representation. Please note that this is a simplified game for demonstration purposes only.
War of the Toilet and Happy Emoji
This example code sets up the game interface with two pictograms representing a Toilet and a Happy Emoji. When the "Attack!" button is clicked, the game logic initiates a battle between the two characters. Each character inflicts a random damage to the opponent's health points until one of them reaches zero health. The game then displays the result by updating the pictogram and showing a message declaring the winner or a tie.
Remember, this is just a simple demonstration of a game implemented as a single HTML file, and it can be expanded and customized further based on your requirements.