Sure! Here's an example of a single HTML file implementing the game "Tac-tec-to", where it is impossible for the player to win. The game is designed for smartphone operation and uses pictograms:
Tac-tec-to
In this game, you play against an opponent who makes random moves. It is designed as a Tic-Tac-Toe game where it is impossible for the player to win. The game board is displayed as a 3x3 grid, and you can tap/click on each cell to place your symbol (randomly chosen from hand pictograms ✊, ✋, and ✌). The opponent will then make a random move, and the game continues until either a player wins or it's a draw. The game status is displayed at the bottom. Good luck!