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The Witcher 4 Debuts Unreal Engine 5 Tech Showcase at State of Unreal

The demonstration underscored the game’s shift from RED Engine to Unreal Engine 5 through a preview of next-generation open-world tools.

Images from Witcher 4 Unreal Engine 5.6 tech demo
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Overview

  • CD Projekt Red clarified the footage shown June 3 at the State of Unreal event was a tech demo of engine capabilities rather than actual Witcher 4 gameplay.
  • The studio confirmed it transitioned from its proprietary RED Engine to Unreal Engine 5 after evaluating multiple options and praised the new engine’s feature set.
  • The demo, captured on a base PS5 at 60 fps with ray tracing enabled, showcased features like Nanite Foliage, Smart Objects, ML Deformer and FastGeo Streaming.
  • Viewers saw a richly detailed version of the Kovir region and an updated Ciri model ported from The Witcher 3 and adapted to MetaHuman technology.
  • Fans expressed a mix of excitement over the visual fidelity and skepticism that a tech showcase might not reflect the final game expected in 2027 at the earliest.