Really like the concept of being a life orb connected to the fish shoal - unique idea! At first, I was a little confused as to where I should actually be going/what I should be doing (no enemies spawned on my first attempt), but I understood when the enemies started chasing!!
Would be nice to have a scoring system, and some skill bars showing your power/speed/shield increasing when you buy. Also some of the walls had gaps which I wasn't sure if I could swim through, then realized I couldn't :3
I think this game would be nice with some exploration/adventure element to it! Love the retro graphics too- very nice~~