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As the world looks ahead to the fast approaching June 5 release date for the Switch 2, I can't help but look back. Beyond my Animal Crossing Switch (and, uh, my Animal Crossing 3DS XL), I perhaps spend too much time still considering Nintendo's fetching purple lunch box. Yes, it's true—I'm one of those wearying GameCube fans wistfully sighing through every Direct hoping against hope for another Skies of Arcadia re-release. Well, modders may well do what Ninten-don't.

Alright, done groaning? Here's the scoop: modders have , making it the first GameCube title to get a damn-near-complete decompilation (via ). The unofficial, definitely NOT Nintendo-sanctioned effort took about 18 months, making a fan-made, native PC port a real possibility down the line.

To be clear, this isn't emulation, which is a process that essentially 'tricks' software into running on incompatible hardware. Decompilation in this context is a much more involved reverse-engineering of the game's source code and only the first step towards something playable on PC.

Still, decompilation offers easier access to a game's code which in turn allows for much more flexibility in how you'd like a retro console game to run [[link]] on modern PC hardware. For instance, some ambitious modder may take it upon themselves to handcraft a native online mode for the more than twenty-year-old game. We've already seen similar decompilations for Nintendo 64 games, such as and , but this Mario Party 4 project has proven a unique beast for more reasons than just its purple home platform.

As , modder Rainchus had originally begun decompiling the first Mario Party, which debuted on Nintendo 64 back in 1998, but this project soon hit a road block that would take a great deal of time and effort to clear. Turning their attention to the 2002 GameCube followup proved to be a much straighter shot—especially as it turns out the code for Mario Party 4 was originally compiled without optimisations, exposing much more of its source code to a sufficiently motivated modder.

It's been a minute since I turned the grey goop I call a brain to coding, but compiler optimisations can be understood as a sort of efficient shorthand. So, rather than lengthy strings of code full of tags us bacon-brained humans need to hold onto for readability, a compiler will excise these in favour of just feeding the most essential bits of code the CPU needs to run the game. As a tech journalist, I like to think of it as the compiler making judicious use of square bracketed ellipses as it gives the CPU the real tea.

Anyway! Scalding similes aside, there are a few reasons why the development team at Hudson Soft may have opted out of compiler optimisations for Mario Party 4. For instance, humans remain pretty essential to debugging and QA, and cursed machine code is hard to pick [[link]] apart when you're trying to figure out why your game keeps crashing.

'Debug symbols' are just one signpost developers can use to find the bit of the code that's causing the issue, effectively presenting an index that joins the dots between parts of the compiled executable and the game's source code. Another Hudson Soft title, Hudson Selection Volume 4: Adventure Island, is powered by effectively the same engine as Mario Party 4, so when modders dug into the debug symbols in the latter title, it exposed even more of the former's source code.

Granted, even that still left modders with a lot of noodling left to do over how various chunks of the code might have been written, but they weren't staring down an empty dialog box anymore. At present, the decompilation project isn't 100% complete but it's darn close; with apparently less than 0.2% to go, all that's left to elucidate are a few complex functions that aren't necessarily essential to actually playing the game.

As fan projects go, few things get quite as nerdy or as fascinating as reverse engineering the source code of a decidedly mid party game—and I low-key hope Big Daddy N never catches wind of it. Nintendo against folks emulating or . The company would also likely prefer [[link]] we all forget about that time the on a Windows PC. Game decompilation projects like this have largely escaped the company's direct legal ire—but Nintendo Classics' recently announced may mean they're far from safe.