Fans have completed the decompilation of the code for Super Mario Galaxy, a popular platform game originally released for the Nintendo Wii in 2007. This week, the fan group SMGCommunity reached 100% decompilation, as shown on its tracking page. According to Android Authority, no Wii game had previously achieved such a high level of decompilation. This accomplishment opens the possibility for PC players to run the game without an emulator, and modders are already working on related projects.
Decompiling a game involves translating its binary code—the sequence of 0s and 1s that a console reads—into readable source code that humans can understand. Once the code is reconstructed, it can be recompiled for other machines, such as a PC or a smartphone. The task is massive: Super Mario Galaxy contains seven times more code than Super Mario 64, which was decompiled by fans in the past. So far, only a handful of GameCube games have undergone this process. The follow-up can be fast: Super Smash Bros. Melee, decompiled this month, had an unofficial Android version released shortly after.
Luma's Workshop is a community of modders focused on Super Mario Galaxy. This group recently presented its PC port, called AstroCore, in a video on the YouTube channel Super Hackio. The video shows the game running at 60 frames per second. The team has not given specific release dates but mentions a future launch. They emphasize that their code is entirely written by humans, without the use of generative AI. This clarification addresses a recent trend of AI-assisted ports by non-developers, which often face technical issues that make them difficult to maintain.
Until now, Super Mario Galaxy was played on PC using an emulator like Dolphin, which mimics the functionality of the Wii. A native PC port, however, would run directly on the computer, potentially allowing for higher resolutions, faster frame rates, additional commands, or support for mods like texture packs. However, players would still need to own a copy of the game, as neither the decompilation nor AstroCore include the game’s graphical elements, sounds, or music. SMGCommunity notes in its GitHub repository that a copy of the original game is required for the decompilation. The group also clarifies that its project is not intended to become a PC port. AstroCore is a separate project with no connection to Nintendo. Once the code is cleaned up, Luma's Workshop plans to work on Super Mario Galaxy 2. Other Wii games are currently being decompiled, including The Legend of Zelda: Skyward Sword, Xenoblade Chronicles, and Mario Strikers Charged. No Android version of Super Mario Galaxy has been officially announced yet.
Super Mario Galaxy Fully Decompiled, Opening Path for PC Port
AI-rewritten from original reportingHow it works
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