Sure! Here's a simple game implemented as a single HTML file using JavaScript and enclosed in script tags:
Free Fire Game
This game simulates shooting enemies represented by pictograms (fire emojis) on a smartphone. You need to click/tap on the fire icons (🔥) to eliminate enemies and increase your score. The game continuously creates new enemies (smileys) and clicking/tapping on them deducts your score.
To play the game, simply copy the above code into a new HTML file (e.g., `free-fire.html`) and open it in a web browser on your smartphone. You should see the game interface with fire and smiley icons. Try tapping on the fire icons to eliminate enemies and see your score increase. Have fun playing!