Sure! Here's a simple example of an incremental game implemented as a single HTML file using JavaScript:
Incremental Game
Click the button to increase your score:
0
In this game, the player's goal is to continuously click a button to increase their score. The score is displayed in a `<div>` element, and each time the button is clicked, the score is incremented by 1 and updated on the screen.
Note that this is a very basic example, and you can enhance and expand the game according to your requirements and preferences.