This is literaly like brawl but 2d, it is not finished, but the demo 9.0 comes out soon. heres the link to download, enjoy, also there is a site to make characters for it, but its in the beta proccess of just puting sprites together.
mcleodgaming.com
it is blocked at school but not at home so download it at home,
ssf2expansions.motionforum.net is where you would submit your character sprites. if you wanna try it.