This was a fun, chill play. I like how much ambience and life you were able to give to a game without any art. The scoring system was good, but I think you should have an end scene that tells me how I did compared to the maximum achievable score. Would give me something to shoot for on a repeat play.
You did such a good job adding juice, but another area I think you could have given feedback is on the paddle itself. Even if you just have it grow and then shrink back down to size, or flash white or something when making contact with the green balls(notes I would assume if art were allowed).
Overall solid entry. Well done.