Sure! Here's a simple chemistry game implemented as a single HTML file using JavaScript. The game is a matching game where players have to match elements with their corresponding symbols. The game is designed for smartphone operation and uses pictograms for elements.
Chemistry Match Game
To play the game, simply copy the entire code and save it as a `.html` file. You can then open the file in a web browser on your smartphone and start playing. The goal is to match all the elements with their corresponding symbols by selecting two cells at a time.
Please note that this is just a basic example, and you can enhance and customize the game further based on your requirements.