After Six Years, Super Smash Bros. Melee's Code Has Finally Been Fully Decompiled

For six long years, a dedicated team of developers has been chipping away at one of the most ambitious preservation projects in retro gaming — and now, it's done. Nintendo's iconic 2001 GameCube brawler, Super Smash Bros. Melee, has officially been 100% decompiled, as first reported by Tom's Hardware, marking a milestone years in the making for one of the most beloved fighting games ever made.

A Perfect Byte-for-Byte Recreation

This isn't a rough approximation or a partial reconstruction — the project, tracked publicly on the decomp.dev progress database, has reached full completion. That means the reconstructed code can now be compiled into a binary that's byte-for-byte identical to Nintendo's original main.dol file, specifically the 3.88MB v1.02 US release that fans have been playing — and competing on — for over two decades. Adding an intriguing modern twist to this old-school preservation effort, OpenAI's Astra model reportedly played a role in helping the team push the project across the finish line in its final stretch.

Code's Available Now — But There's a Catch

Curious developers and modders can already dig into the results themselves: the fully decompiled source code is publicly hosted on the doldecomp/melee GitHub page, complete with instructions for compiling it across multiple platforms, including Windows. Before anyone gets too excited, though, it's worth being clear about what decompilation actually means here — this isn't a plug-and-play port. Running the compiled code still requires players to supply the original game assets — textures, audio, and more — pulled straight from a GameCube disc they legitimately own.

Melee's decompilation doesn't exist in a vacuum. It's the latest — and arguably biggest — entry in a growing wave of retro-game preservation efforts, fueled by a simple but urgent problem: original console hardware is getting older, scarcer, and increasingly expensive or impossible to repair. Enthusiasts working on projects like this one are racing to preserve original game code in a form that can eventually be built for modern systems, ensuring these classics don't get lost to failing hardware.

But preservation is only part of the payoff. With Melee's C code now fully readable, developers finally have an unprecedented look under the hood of the game's engine, physics, and mechanics — the kind of deep technical insight that's expected to supercharge the game's already-thriving modding community. Fan-made ports and mods are the natural next step, though it's worth tempering expectations: turning this milestone into playable, polished results will still take real time and effort.

Joining a Growing Hall of Fame

Melee now takes its place alongside a growing lineup of decompiled classics making their way back into the spotlight. Several recent efforts, including the decompilation of GoldenEye 007 for N64, and the native PC port of the GameCube version of SoulCalibur II. If the pattern holds, Melee's decompilation could be the spark that finally brings one of gaming's most competitive titles into a whole new era.