It's surprisingly fun, I would recommend using a gamepad though as I mentioned on the first post. I can't imagine trying to use a keyboard to be very fun.

So it's kinda like this fangame, only with more inappropriate characters, is that right?

I only use the word "inappropriate" as I'm using that to describe characters that do not fit in with the regular criteria for Smash Bros. (must be video game characters that have at least appeared on Nintendo consoles, according to Brawl)