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Capcom aims AI at the slow work of making Resident Evil-scale games
Capcom plans to rebuild RE Engine through a project called REX so AI can cut development time, programmer Satoshi Ishida told a company conference. For studios writing their own AI rules, the useful part is Capcom's split between AI in the tools and AI in the shipped game.
The Product Desk · Product desk
What happened
- Ishida made the case at Capcom Open Conference RE: 2026 in a talk titled 'The Outlook and Future of the REX Project, Further Evolving the RE Engine for the Next Generation.'
- He described turning RE Engine slowly and incrementally into an 'AI-generation game engine,' according to IGN's translation of the talk.
- At an earlier shareholders' meeting Q&A, Capcom said it would explore AI to assist with graphics, sound and programming but would not use AI-generated content in its games.
- Epic Games said earlier this year that it would build Claude and Gemini into Unreal Engine.
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Why it matters
- contradiction Engadget says Ishida's talk is consistent with keeping AI assets out of Capcom games, while The Verge says it leaves the door open to more, so how firm the content pledge is depends on which reading holds.
- decision Capcom's earlier answer lets AI assist with graphics and sound but bars AI-generated content, so someone at the studio has to rule on where assistance ends, and any studio copying the policy inherits that call.
- precedent With Epic building Claude and Gemini into Unreal and Capcom rebuilding RE Engine, developers at large studios will likely meet AI first as a feature of the engine their employer already uses.
On a game the size of Resident Evil, even simple tasks can become extremely time consuming, according to The Verge's account of Satoshi Ishida's talk [3]. Ishida gave the cause: games and their assets have grown much larger, and development takes longer as a result [4]. The solution, he said, is "successfully integrating AI technology into development workflows" [5].
Engadget's summary is that the AI would mostly help streamline those workflows [8]. The people who will use REX are Capcom's own developers, since RE Engine is the company's proprietary engine [1].
The roadmap language goes further than a faster tool. In IGN's translation, quoted by The Verge, Ishida described building toward "a future where we create games together with AI" [13]. Engadget, drawing on GameBiz and IGN, gives the engine's goal as a "game engine of the AI generation" [2]. Shorter workflows are a promise about how long a task takes. Creating games together with AI puts the AI inside the making of the game. That phrase sits closer to the line Capcom drew for shareholders, when it said AI-generated content would stay out of its games [9].
In my view, what matters to the developer using the engine is whether a task they repeat got shorter. I'd put AI in the pipeline first, as Capcom says it will [8]. The tradeoff is that customers never see pipeline gains, so the gains show up on the record only if someone timed the work before the tool arrived.
A team adding AI to its own production can sort the decision with two questions, answered in writing. The first is whether the AI output ships to the customer or stays in the tools staff use. The second is whether anyone timed the task before the tool arrived. Pipeline tooling with a baseline is easy to justify, because the hours saved can be shown. Without a baseline, the spending can't be measured either way. Shipped AI output, measured or not, is a content-policy decision that needs an owner, and it is the corner Capcom has said it will stay out of [9]. On the reported record, REX sits in the pipeline column, and neither report includes a target for time saved or a date for finishing the rebuild [1].
What to watch
- Whether Capcom restates its ban on AI-generated content at its next shareholders' meeting or in REX project materials.
- A Capcom title shipped on a REX-updated RE Engine, and whether the company credits the update with a shorter development cycle.
- Which AI models or vendors Capcom names for REX, given Epic's choice of Claude and Gemini for Unreal Engine.