Before clicking any links, let's address the elephant in the room.
Legality: This is a fanmade game. The developers do not own the IP. Nintendo’s lawyers view this as copyright infringement. Consequently, you will never find this on Steam or the Epic Games Store. Downloading it is technically a grey area. However, because no money is exchanged (it is 100% free), users rarely face legal heat—though the creators risk lawsuits. Before clicking any links, let's address the elephant
Safety: Because the game is distributed via third-party sites, viruses are a risk. Never download from "MarioMultiverse.com" pop-ups. The legitimate release only exists on: Pro Tip: Always scan the
Pro Tip: Always scan the .exe file with VirusTotal before running it. Before clicking any links
Unlike typical fan games that simply remix Super Mario World textures, Mario Multiverse is a standalone executable built from the ground up (often using engines like Clickteam Fusion, Unity, or Godot). It is not a ROM hack; it is a completely original PC application.
The "Multiverse" concept is literal. The game posits that a catastrophic "Grand Rift" has smashed every timeline of the Mushroom Kingdom together. In one level, you are using FLUDD from Sunshine. In the next, you are wall-kicking through a 64 castle, only to be sucked into a Galaxy style planetoid.
Unlike standard platformers where you collect stars or shines, Mario Multiverse uses "Quantum Shards." You need 5 shards to unlock the next dimension gate.