Sure! Here's an example of a simple game implemented as a single HTML file using JavaScript and enclosed in script tags. This game is designed for smartphone operation and incorporates the use of pictograms:
Double Numbers Game
Tap on the numbers to double them!
In this game, the objective is to tap on the numbers displayed on the screen to double them. Each time a number is tapped, its value gets added to the score, and then the number is doubled and re-rendered. The game area initially displays 5 random numbers, and the score is shown at the bottom. The game is implemented to run by executing the `startGame()` function.