Sure! Here's an example of a simple game implemented using HTML and JavaScript, enclosed within script tags in a single HTML file. The game is designed for smartphone operation and uses pictograms for visuals.
Pictogram Game
Score: 0
This game features three pictograms (sun, flower, and rainbow) displayed randomly every second. The player needs to click the pictograms to increase their score. However, if the player fails to click on three consecutive pictograms, the game will end and the final score will be displayed.