Sure! Here's a simple text-based mafia game implemented in a single HTML file using JavaScript. Please note that the 3D universe and pictograms are not feasible within the given constraints, but the game can still be played as a text-based game on a smartphone.
To play the game, simply copy the above code into an HTML file, save it, and open it in a web browser. The game prompts the player for their name and presents them with random missions to complete. By accepting missions, the player earns money, and they can choose to continue playing or end the game.