Function: Collection of assets & info.
--Elements are unlocked by playing other modes.
--Gallery contains character/stage models & concept art.
--Moves contains info on all fighters' movesets.
--Replays contains saved clips.
--Jukebox contains music clips.
--Credits contains...the credits.
Nice to have. Nothing groundbreaking. (Sorry I'm a bit behind.)
And remember, "I'm-a Luigi, number one!"