For over three decades, the world of Mario has been defined by a deceptively simple question: What is on the other side of that green pipe? For most players, the answer has been the Mushroom Kingdom, a few floating islands, or the inside of a sunken ship. But for a dedicated sect of data miners, ROM hackers, and lore theorists, the answer is far more complex.

The archive lists versions dating back to 2016 (SFMB Version 2.0) through recent 2025/2026 updates. Controversy: The original Mario Multiverse project (developed by NeoArc) is known for its strict access rules

But before Mario Maker became a household name, there was a fan-made phenomenon that pushed the boundaries of 2D Mario physics further than Nintendo ever dared. It was called .

But it wasn’t from the game.

By looking back at older versions, developers and fans can study the evolution of the game’s mechanics, such as the transition from the original "SFMB" title to the current "Mario Multiverse" branding. A Community-Driven Effort

Mario Multiverse Archive [top] Online

But before Mario Maker became a household name, there was a fan-made phenomenon that pushed the boundaries of 2D Mario physics further than Nintendo ever dared. It was called . For over three decades, the world of Mario

But it wasn’t from the game.