As an AI text-based model, I'm unable to directly create or modify HTML files. However, I can provide you with an example of how you could structure a simple game about World War Two using JavaScript within an HTML file. You can copy and paste the provided code into a new HTML file, and save it as a .html file to play the game.
Welcome to the World War Two game!
This code sets up a simple multiple-choice game about World War Two. Each question is displayed one at a time, and the player can choose from multiple options. Once all questions have been answered, the game displays the final score.
Please note that this is a basic example, and you can modify and enhance it further based on your specific requirements.