Sure, here's a simple game called "Virus Invasion" implemented in a single HTML file using JavaScript. It's a basic smartphone game where the player needs to tap on viruses to eliminate them.
To play the game, save the code above in a file with an `.html` extension, and make sure to have an image file named `emozi_all/play.png` in the same directory as the HTML file. Then, open the HTML file in a web browser on your smartphone, and you should be able to play the "Virus Invasion" game. Tap on the viruses to eliminate them, and try to score as high as possible!