Sure, here is a simple text-based game that you can play as a finished game. Please note that this is a very basic example and doesn't include any pictograms or graphics. It solely relies on text inputs and outputs. You can save the code as an HTML file and run it in any web browser.
In this game, you play as a child seeking revenge against a supernatural demon. The game starts by asking for your name and age. Then, it sets up the story and gives you various choices to make. The outcome of your choices determines your progress in the game. If you make a wrong choice or an invalid input, the game ends with a "Game Over" message. If you make the right choices, you eventually confront and defeat the demon, successfully completing the game.