Mushroom Kingdom Fusion

Mushroom Kingdom Fusion is an epic crossover fan game that combines characters and worlds from dozens of gaming franchises into a single massive platformer. Starting as a Mario fan game, it expanded into one of the most ambitious crossover projects in fan gaming history. Players can choose from a roster of characters including Mario, Luigi, Arthur from Ghosts'n Goblins, Sonic, Mega Man, and more, each with their own unique abilities and playstyles.

Feature	Detail
Developer	JudgeSpear & Community
Genre	2D Platformer / Crossover
Platform	PC (Windows)
Release	2008 (ongoing)
Engine	Game Maker
Status	In Development (Playable Demo)

What Makes Mushroom Kingdom Fusion Special?

The sheer scope of Mushroom Kingdom Fusion is staggering. The game features worlds based on different gaming universes — you might start in the familiar Mushroom Kingdom, then travel through levels inspired by Castlevania, Mega Man, Sonic the Hedgehog, Metroid, Halo, and many more. Each world faithfully recreates the visual style and enemies of its source franchise while adapting them to the game's 2D platforming framework. The character variety is equally impressive. Each playable character brings their signature moves and abilities from their original games, meaning the same level can play completely differently depending on who you choose. Mega Man can charge his buster and slide, Arthur throws lances and collects armor, and Sonic uses his spin dash — all within the same game.

Gameplay and Features

Mushroom Kingdom Fusion delivers an unprecedented crossover experience:

Massive Character Roster: Play as Mario, Luigi, Sonic, Mega Man, Arthur, and other iconic gaming characters, each with authentic abilities.
Multi-Franchise Worlds: Explore worlds themed after Mario, Castlevania, Mega Man, Sonic, Metroid, and many other gaming franchises.
Unique Character Abilities: Each character plays differently, with moves faithful to their original games — spin dash as Sonic, charge shots as Mega Man, and more.
Expansive World Map: A large overworld connects all the different franchise-themed worlds, creating a cohesive journey through gaming history.
Boss Battles: Face bosses from multiple franchises, reimagined for the game's 2D platforming engine.
Community-Driven: The project has been developed by a dedicated community of contributors over many years.

Screenshots

Frequently Asked Questions

How many characters can I play as?

Mushroom Kingdom Fusion features a growing roster of playable characters from various gaming franchises, each with their own unique abilities and playstyles.

Is Mushroom Kingdom Fusion finished?

The game is still in active development, but playable builds with substantial content are available. New worlds, characters, and levels continue to be added by the community.

What franchises are represented in the game?

The game features content from dozens of franchises including Mario, Castlevania, Mega Man, Sonic, Metroid, Halo, and many more — each represented through themed worlds, enemies, and playable characters.