Throughout the Switch generation, first-party titles have often leaked online ahead of their official launch date. Now, following the reveal of the game's credits earlier this week, Mario & Luigi: Brothership has supposedly leaked online.

Nintendo remains silent regarding the developer of Mario and Luigi: Brothership, but that hasn't stopped the internet from finding the information.

Mario & Luigi: Brothership is just a couple of weeks away at the time of writing, launching on the Nintendo Switch on 7th November 2024. However, it looks like retail copies of the game have already been shipped out, with many on social media posting images of the box and cartridge.

Previously, Nintendo declined to confirm who the new voice actor behind Mario was until people with early copies of Super Mario Wonder discovered it in the credits. After that, it was similarly secretive around the developer of Switch’s Super Mario RPG until its identity was discovered on a store page.

Mario & Luigi Brothership is less than a month away from release, and its co-developer is someone people will want to know about.

Brothership sees the titular brothers explore a new tropical region of islands called Concordia where they meet old friends and new enemies on their turn-based combat-fueled journey. Its the first entry in the series that originated on the Game Boy Advance to arrive on more powerful hardware and the 3D makeover looks great while still preserving the vibrant,

The gimmick here, of course, is that Mario and Luigi are working together the entire time as a duo. That is your party. Everything you can do stems from the brotherly relationship between Mario and Luigi, from partner attacks in combat to goofy special abilities you use in the overworld to solve puzzles.