Shortly before Mario and Luigi: Brothership's launch, Nintendo revealed the upcoming Switch-exclusive RPG will require 9.9 GB of storage. Mario and Luigi: Brothership is a grand return to the beloved Mario and Luigi RPG spin-off series since its last release in 2018. It is currently one of the most anticipated Switch exclusives to be released in November and will be launching late into the console's lifespan as well. Fans don't have to wait much longer till its November 7 release.