Sure! Here's a simple game implementation using JavaScript, enclosed in script tags within a single HTML file. The game involves a cat and a zombie, both equipped with bazookas, attacking each other. The gameplay will be based on user input using smartphone operation, and pictograms will be used to represent the characters. Please note that this is a basic example, and you can modify and enhance the game as per your requirements.
To play the game, open the HTML file on a smartphone or in a web browser that supports JavaScript. The game screen will display the cat and the zombie, represented by pictograms. To attack, press 'A' (or 'a') for the cat, and 'Z' (or 'z') for the zombie. The game will continue until one of the characters' health reaches zero, and a message will be displayed to announce the winner.