We got it to write a working two player Pong game in minified JS, except you can jump in it like in Mario. It took a lot of iteration as initially it wouldn’t

We got it to write a working two player Pong game in minified JS, except you can jump in it like in Mario. It took a lot of iteration as initially it wouldn’t for example put a ground in the game, so you’d just fall forever, but one by one pointing out the mistakes actually resulted in a playable game.