The decomp.dev community that tracks and centralizes game decompilation progress is shutting down its public index and leaderboard, claiming in a site update that the acceleration of AI has damaged the decompilation community. The creator, who goes by @encounter, points to abuses related to AI usage, such as AI helping forks “finish” others’ projects and a general attitude of rushing to complete PC ports, often with little regard to quality. Simply banning AI-assisted projects is a difficult task, as not all of them have the same standards, and @encounter feels it shouldn’t be the role of one hobbyist to decide what does and doesn’t stay on the leaderboard.

The decision was made because AI greatly speeds up decompilation “in a significant way,” especially with human guidance, but misuse of the technology has broken the community aspect. AI has made the progress percentages on decomp.dev easier to push up. As a result, the site’s index and leaderboard are now “causing more harm than good,” as the competitive spirit has been corrupted. The scene has become “a hollow numbers game” where people throw AI usage at things “to make number go up.”

The site was created in 2024 “as a way to centralize matching decompilation progress” and to grow a community around it. Each project page shows game progress with its history. The goal of matching decompilation is to have hand-written source code that could compile back to the same machine code as the original game . The site’s creator is a GitHub maintainer of decomp-toolkit, a GameCube and Wii decompilation toolkit, and objdiff, a local diffing tool for decompilation projects.

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