Avoid

Cool game! Some music and sound effects would be awesome!. Maybe some particle explosion effects when you explode when you get hit too. Also I noticed that sometimes some of the balls bouncing around get stuck together or stuck inside one another. I also love the text by the way very cool. For a first game I'd give this a 3/5...add some more polish and it easily be a 4/5...maybe even a 5/5 :)

balls shouldn't be allowed to spawn in a way that endangers you I think

I like where your train of thought is going but looking at the final product, there is a lot that is lacking. Definantly keep going. First, this game did not need unity, which is what I think the point of the contest is. I have seen this exact same game many times before and iterated much better. I think that there is potential for true inovation into this kind of game using this engine, I just do see any of it here. Some systems aren't well thought out (balls spawn on top of you, lack of other features, etc.) the new game button should be easier to access if you are going to put in the cheap kills.

3/5 but keep designing

good one. Actually balls that can hit each other could be cool, I dunno. The button "new game" isn't well done. Maybe there could be several explosion graphics. Really a good try!!
Maybe adding other directions could be fun

This is an enjoyable, relaxing game. The music, and the fact that there are sound effects for the rubies but not for the balls, helps you to feel that you are making progress, and prevent frustration. Don't add in sounds for hitting balls, please! 5/5 and favourited.