As an AI language model, I can provide you with a simple example of a text-based game implemented in a single HTML file, using JavaScript. However, creating a 3D game with pictograms would require significantly more complex code and assets, which is beyond the scope of a simple response. Nonetheless, here's an example of a basic text-based game that you can play on a smartphone:
Text-based Game
In this example, the game randomly selects a pictogram from an array and prompts the user to guess it. The user's score is incremented for each correct guess. If the user guesses incorrectly, the game ends and their final score is displayed.
Please note that this is a basic example and does not include 3D graphics or advanced gameplay mechanics. Implementing a complex 3D game would require additional frameworks, libraries, and external assets.