Haha I reached the boss of the cave only once because I directly got ejected to it or something like that, so I changed my mind about the rare ejections from annoying to welcome. I think I almost defeated it on my last try as the fight lasted quite some time.
The game is pretty cool, with actual NES-like difficulty. It controls well, the rabbit is cute and the soundtrack is pretty nice. The difficulty is perfect to me.
The secrets are really cool too, both the coins and carrot hidden above in the first world and the cage in the cave took me some retries to discover by chance.