Sure! Here's a simple game implemented as a single HTML file, using JavaScript and enclosed in script tags. The game is designed for smartphone operation and uses pictograms.
Grimace Shake Game
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This game is called "Grimace Shake Game". When the user shakes their smartphone, the grimace icon on the screen will move randomly within a certain range. The game utilizes the `shake` event and the device's motion sensor to achieve this effect.
To play the game, simply open the HTML file on a smartphone and shake the device to see the grimace icon move around.