Here's a simple game implementation as a single HTML file, enclosed in script tags, written in JavaScript:
Pictogram Game
This game displays a series of pictograms and asks the player to guess what they represent by typing their answers. Each correct answer earns a point. Once all pictograms have been shown, the game ends and displays the final score.
Please note that this is a very basic example and can be expanded or modified according to your specific requirements. Additionally, this implementation assumes the user is interacting with the game on a smartphone.