Sure, here's a simple game implemented as a single HTML file using JavaScript:
Picture Guessing Game
Score: 0
This game is a simple picture guessing game. It randomly shuffles an array of pictograms and displays them as cards on the screen. The player's goal is to click on the card that matches the first pictogram in the shuffled array. If the guess is correct, the player's score increases, and if the guess is incorrect, the score decreases. The game continues until all cards are clicked. The score is displayed at the top of the screen.