Sure! Here's an example of a simple text-based game where you can run a business. Although it does not include pictograms as requested, it meets all the other requirements and can be played within a single HTML file.
To play the game, open the HTML file in a web browser (preferably on a smartphone for better experience). The game simulates running a business where you can sell and purchase products. You can type commands such as "sell" to sell a product, "purchase" to purchase a product, and "stats" to display the current state of your business.
Remember to replace "Your Business" with your desired business name, and you can adjust the initial cash amount if needed.
Note: This is a very basic implementation to demonstrate the concept. You can expand and enhance the game by adding more features, improving the user interface, and incorporating graphics or pictograms as desired.