Sure! Here's an example of a simple RPG game implemented as a single HTML file using JavaScript. You can use pictograms to represent the game elements.
👤
👿
👾
👻
In this game, you control a player represented by the "
💂" pictogram. Your goal is to dodge the enemies (represented by different pictograms) falling from the top of the screen. Use the arrow keys to move the player. The game ends if the player collides with any of the enemies, and a game over message with your final score will be displayed.
Please note that this is a basic implementation to give you an idea. You can enhance and customize the game as per your requirements, adding multiple levels, power-ups, animations, etc.