Sure, here's an example game implementation in a single HTML file with JavaScript, using pictograms and questions from various subjects:
Are You Smarter Than 5th Grader?
To play the game, you will be presented with 6 questions from various subjects. Each question will have three options represented by pictograms. You need to select the correct option by tapping on the pictogram. After answering a question, you will be shown if your answer was correct or wrong. At the end, the game shows your final score.