Sure! Here's a simple implementation of a 30-second graphic go kart race game using JavaScript and HTML:
In this game, you control a blue go kart and need to avoid crashing into red and green obstacles on the track. The game lasts for 30 seconds, and if you complete the race without crashing, you win! The game is displayed on a canvas element, and the kart and obstacles are represented as colored rectangles.
To play the game, simply copy the above code into a new HTML file and open it in a web browser. You can control the kart's movement using the left and right arrow keys on your keyboard.