In Conflict of Nations, games cannot be permanently deleted, but you can archive them to remove them from your active game list. To archive a game:

1. Go to your Games: Open the game menu to see your list of active games.
2. Select the game: Click on the game you want to archive from the list.
3. Access game options: Click on the preview image or the "i" icon on the right side of the screen.
4. Move to Archive: Click the "Move to Archive" button to archive the game.