maybe an unpopular opinion, but I'd prefer they work on a sequel after a wave of DLC.
Remember when Kart Racers 1 was universally panned, then the sequel came out with over double characters and content and was considered a pretty solid kart racer?
NASB is already considered a messily competent game, why not just start on a sequel where there's a chance to revamp things like movesets, visuals, sound design, etc on a whole new budget while also being able to just port over 22 characters and 21 stages minimum