Sure! Here's a simple text-based game about pirate adventures implemented as a single HTML file using JavaScript:

Pirate Adventures

Welcome to an exciting pirate adventure! Choose your actions wisely to survive and become a legendary pirate captain.

Commands:

- sail: Set sail for a new destination

- search: Search for hidden treasures

- fight: Engage in a sea battle against other pirates

- quit: End the game

Game Output:

This game is a simple text-based adventure where the player enters commands to navigate through various actions as a pirate. The game output is displayed in a textarea element, and the user can input commands by using the `prompt` function. Please note that this is just a basic framework for the game, and you would need to add your own game mechanics, pictograms, and styling to make it a complete and visually appealing game.