AI in Game Development: Capcom Wants an “AI Engine” While Fan Modders Fight Back

AI in game development has been a touchy subject for years ,and this week it split into two very different fights.

One is happening inside a major publisher ,the other is happening in a fan community that spent years doing it the hard way.

Both matter if you care about how your favorite games get made. Here’s what happened, what’s still unclear, and what I think it means.

Key takeaways

  • Capcom plans to evolve its RE Engine into an “AI-generation game engine” through a project called REX.
  • Capcom says it won’t put AI-made assets in its games.
  • The phrase may be partly a translation issue ,so read headlines carefully.
  • Fan developers behind Zelda and Banjo PC ports are criticizing a new AI built Banjo Tooie port.
  • The real dividing line looks like transparency and credit.

What did Capcom actually announce?

At its Open Conference RE: 2026, programmer Satoshi Ishida detailed a project called REX ,which will upgrade the RE Engine and move it toward what Capcom calls an “AI-generation game engine”.

The focus is behind the scenes ,the scope of REX is expected to be heavily on development rather than front-facing content, aiming to improve efficiency, performance ,and quality assurance. Ref gamesgamerant

Ishida’s reasoning is practical. Major games currently take too long to develop ,and the engine could be made easier and simpler for people with no experience with the tools.

Capcom’s stated aim is to “create games together with AI. Ref pushsquare

Part of the plan is unifying the engine under a common programming language, making it easier for humans and AI to understand. Some improvements will also reportedly be released as open source. Ref trueachievements

REX isn’t brand new, either. Capcom first unveiled “Codename REX” in October 2023 ,planning to integrate new technology into the existing engine incrementally ,this week’s news is the AI direction. Ref Wikipedia

Will Capcom put AI-generated content in its games?

According to Capcom, no ,at a shareholders meeting in early 2026 ,the studio said it doesn’t intend to implement AI-generated content in its games. It reportedly uses AI for things like generating ideas that artists then flesh out, and potentially graphics upscaling.

One executive has also said the company sees AI “not for creating art ,but for unleashing the potential of creators.” Ref Capcom Wants to Turn RE Engine Into AI Generation

Is the headline a mistranslation?

Possibly, in part ,TheGamer noted one claim that the phrase has been mistranslated and really means a “game engine for the AI era,” and that PC Gamer read it as an engine for the AI era rather than one that outright uses generative AI ,that claim comes from social media, so treat it as unconfirmed until Capcom clarifies. Ref thegamer.

Why does this matter to players?

RE Engine isn’t a side project. It has been Capcom’s de facto game creation suite since Resident Evil 7 ,with around 30 titles launched so far ,including Street Fighter 6, Pragmata, and Onimusha: Way of the Sword. Any change to it could shape the games Capcom ships for years. Ref pushsquare

The other fight: AI-built PC ports of classic games

While Capcom explains its roadmap ,a different AI argument is happening among fans. Two years ago ,a tool called N64: Recompiled debuted, promising to simplify making PC ports of classic N64 games.

The best-known results include Zelda: Recompiled and Banjo: Recompiled, built on years of human effort. Ref gamesradar

Then a Banjo-Tooie recompilation appeared. Its GitHub page says AI tools generated substantial portions of the project’s code ,and it builds on human-made tooling. DarioSamo ,who led the Banjo-Kazooie port, responded that the Banjo-Tooie project isn’t associated with his team, and that his projects have clear no-AI stances.

His team says it will take the time necessary to deliver a polished version of its own Banjo-Tooie port rather than join a race to the bottom.

Ref Zelda and Banjo Recompiled dev slams the slew of poor-quality “slopcomps” recompilations by vibecoders that “completely fail to reach the same level of quality”.

What are people complaining about?

Several things, according to the coverage:

  • Quality: critics describe untested ,buggy ports and have coined the term “slopcomps”.
  • Modding: one developer argues AI ports patch the code in a way that makes modding unmaintainable in the long run and contributes nothing to decompilation efforts. Ref on X
  • Credit and attention: AI-coded ports can draw attention away from ports built by humans who’ve put far more care into them. Ref gamesradar
  • Disclosure: DarioSamo criticized a YouTuber for covering the port without noting it wasn’t connected to the original team.

It also got personal ,the developer of a Beetle Adventure Racing decomp, Synamax, said an AI recomp built on his work felt insulting and hurtful, adding that he lost his job of seven years because of AI. The YouTuber stood by his coverage, noting the project’s license (AGPL 3.0) technically permits this kind of use. Ref timeextension.

My take: the real line is transparency

These stories look like opposites, but they’re the same question from two angles.

Capcom is telling players where AI fits and where it doesn’t ,and the fan dispute is about AI being used on top of someone else’s years of work ,with little disclosure or credit.

That’s a useful way to read future AI headlines in this industry. Ask who’s using it, for what ,and whether they’re upfront about it.

A tool that speeds up QA is a very different thing from a shortcut that copies a community’s work.