Sure! Here's a simple text-based game that you can play as a finished game. Unfortunately, using pictograms is not possible in a single HTML file, so I'll be using plain text instead. Copy the code below and save it as an HTML file to play the game.
To play the game:
1. Open the HTML file in a web browser on your smartphone.
2. The game will start automatically and present you with a problem.
3. Type your answer into the prompt that appears and press Enter.
4. If your answer matches the solution, you will see an "Problem solved" message. Otherwise, the bomb will explode, and it's game over.
5. The game continues for 10 turns. If you successfully solve all the problems, you will see a "Congratulations" message.
Note: This is a simple implementation of the game without any visual elements. You can customize the problems and solutions in the code to make the game more challenging or engaging.