arrow keys to move, up to jump, p to attack (in conjunction with different arrow keys makes different attacks). Don't go over the edge or you'll die, and that's not good. Basically, beat up the sandbag. there are quite a lot of glitches. If I were to make a smash bros. game, I'd start from scratch :P
This is just a little thing that I made a VERY long time ago, that is basically a smash bros engine. I'm surprised at how well I did it, judging by the fact that this was probably a year or two ago now (even though it has no scrolling :P) Stage not by me x)