Sure, here's an example of a simple fighting game implemented as a single HTML file with JavaScript:
Fighting Game
👤
🤖
In this game, there are two characters represented by pictograms:
👤 for player 1 and
🤖 for player 2. The players can click on their respective character to execute a punch or kick move. The game updates the health of the opponent accordingly and displays the remaining health in the console.
Please note that this is a very basic example to demonstrate the concept of a fighting game. For a fully-featured game, you would need to implement additional mechanics like blocking, combo attacks, special moves, game rounds, and more.