Sure, here's an example of a Tic Tac Toe game where you always lose against an AI opponent. The game is implemented as a single HTML file, enclosed in script tags, and written in JavaScript.
Tic Tac Toe
To play the game, you can simply copy and paste the above code into a new HTML file and open it in a web browser. The game will be displayed on the webpage and you can click on the cells to make your moves. However, no matter how you play, the AI opponent will always win or draw. Good luck!