Often confused with "Super Mario Multiverse," this is a fan-made game creation engine designed to allow players to create and play levels using assets from various Mario eras (SMB, SMB2, SMB3, SMW, and even modern styles like Odyssey). It has been in a closed beta

The official development of Mario Multiverse has been slow, with only one public demo released in 2023. Since then, subsequent betas have been shared via private Discord servers and Patreon early access. This scarcity has led to a rise in .

The Mario Multiverse Game is an upcoming title that promises to revolutionize the way we experience the Mario universe. Developed by Nintendo, in collaboration with various other gaming studios, this game is set to bring together multiple dimensions and universes, offering players a never-before-seen Mario experience. By leveraging the power of modern gaming technology, the Mario Multiverse Game aims to deliver stunning visuals, engaging gameplay, and a rich narrative that explores the vast and diverse world of Mario.

Developers of ambitious fangames often abandon them when pirated REPACKs circulate the beta before the official release. The creator of Mario Multiverse (known online as PixelPioneer ) posted in late 2024:

The only legitimate way to access the full beta is by being "scouted" through the Official Mario Multiverse Discord Server . Users who contribute to the project—such as by making high-quality sprites, music, or level designs—are the primary candidates for invitations.