Sure! Here's a single HTML file containing a JavaScript game where you need to avoid the red radioactive particles ("❣") using a sad emoji ("😟") on a smartphone. The particles become bigger with each round, and you have a score. You can copy the code below and save it as an HTML file to play the game.
To play the game, open the HTML file in a web browser on your smartphone. Use left and right swipes to move the sad emoji "😟" and avoid the red radioactive particles "❣". The score will increase with each successful round, and the particles will become bigger. If a particle touches the emoji, the game will end, and you will see your final score.