Sure! Here's an example of a simple Block Breaker game implemented in a single HTML file using JavaScript and enclosed in script tags:
This code will create a simple block breaker game where the objective is to bounce a ball off a paddle and destroy all the bricks on the screen. The player controls the paddle using the arrow keys on their smartphone. The game will end and display a "Game Over" message if the ball hits the bottom edge of the canvas without being caught by the paddle.