A limited (sometimes called "Mario Singleverse") is available for those who want a taste of the mechanics without being full beta testers.
Mario Multiverse is a prominent fan-made level editor and game creation tool, often described as an expansive alternative to Nintendo's Super Mario Maker Mario Multiverse Game Download Beta
Do not attempt the download if your PC cannot handle dimension hopping. The Beta is not perfectly optimized. (often referred to as Super Fangame Maker Bros
(often referred to as Super Fangame Maker Bros or SFMB ) is a massive, fan-developed project that acts as an unofficial "Mario Maker 3" for PC. It allows players to create and share levels using a vast library of assets from across Mario's history, including custom themes and enemies not found in official Nintendo titles. Key Features of the Beta The multiverse is unstable, Bowser is waiting, and
Now, put on your cap, take a deep breath, and jump through the looking glass. The multiverse is unstable, Bowser is waiting, and somewhere, a Goomba is about to get stomped across ten different realities. Happy dimension hopping.