Pretty much the same as the SNES version, that's the best part!
This game has some of the SNES' finest graphics you will ever see. There are colorful sprites everywhere, and super duper backgrounds as well. The soundtrack is A+++ as there are no bad tracks, only instant classic ones which you will encounter as you play the game.
There aren't any downfalls to this game really. If you're stuck on a level, there's nothing really you can do though. That's the only thing that sucks. But once you beat it, you will become instantly addicted again.
This game is the start of a wonderful 2-D platforming adventure which I highly reccomend to anyone as it will keep you entertained for hours. If you love this game, check out it's sequel. It is a little better, but I suggest that you play this one first. Happy Gaming!