Cool concept, if you had more time to actually flesh out this idea more and make adjustments to the game I feel like the game would've been extremely fun. However there just a few minor issues and bugs that keep it from being that. As well as having only one real mechanic that's kind of explored. However like I said it's a starting point , a prototype even, and if it were to be expanded upon it would probably be a really fun game. Great job in making this in such a short amount of time! (That's a huge achievement in it of itself).

Maybe it's just me, but the background is really noisy and distracted me from the game.

I loved the different sprites, it's definitely a cool idea to have fish in space! However, I think the idea with inflating the fish and deflating it wasn't that well executed. It seemed to me that staying a small fish was infinitely better than being the bigger fish, just because I didn't really feel the need to destroy the asteroids.

Talking about the "bigger fish mode": I think it would've been cool if you could see which objects can be destroyed and which couldn't. I know, it was explained in the tutorial, and maybe I'm just dumb, but I had already forgotten all the objects that I could destroy. Maybe destroyable objects could have a indicator, maybe an outline, or a specially broken appearance.

All in all, great idea, but a few imperfections here and there.

Cute concept with fish in space :D

Hitboxes seem a little wonky (hitting stuff that I didn't think I actually touched).