Game?

[Sol]

remember Project Prism?

What are you talking about, this is almost completely different from Project Prism. With Project Prism, you had tons of people all trying to get their ideas in, people with completely different ideas for the direction of the game, a story that needed to be written, characters that needed to be designed, puzzles, artwork, original music, etc.

With a Smash Bros. fangame, you only have to choose already existing characters and locations for stages, sprite them, add some music which is probably premade and/or taken directly from actual Smash Bros. games, and make an engine. The creation process for something like this is pretty linear, and if you keep the development team small and simple (maybe just the people whose sprites are being used, a programmer, and a few others for other original content, if there even is any more than the sprites) then you shouldn't have much trouble creating a fangame, as long as you keep at it.