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The Witcher 4 Tech Demo Showcases Unreal Engine 5.6’s Open World Power

By Krishnamohan Yagneswaran
Gaming
Unreal Engine
Tech Demo

🧙‍♂️ A glimpse into the future of open-world RPGs has arrived — and it's powered by Unreal Engine 5.6.
During the most recent State of Unreal showcase, Epic Games teamed up with CD Projekt Red to unveil a cutting-edge technical demo that highlights the jaw-dropping potential of The Witcher 4 and Unreal Engine 5.6 on modern hardware.

The Witcher 4 Tech Demo

While this wasn’t a direct preview of The Witcher 4 gameplay, it served as a compelling look behind the curtain at the technology shaping its world.


⚙️ Unreal Engine 5.6: Built for Open Worlds

The tech demo offered a look at multiple next-gen engine features in real time, running on PlayStation 5 at 60FPS with ray tracing. Among the standout capabilities:

  • Fast Geometry Streaming Plugin: Designed to load vast, detailed open-world environments quickly and efficiently.
  • Nanite Foliage (preview): A look at UE 5.7’s upcoming feature, enabling dense, photorealistic vegetation to be rendered at scale with minimal performance impact.
  • ML Deformer: Enhances character animation in crowded spaces, demonstrated through a lively marketplace scene featuring Ciri.

🎮 Collaboration Between Titans

This showcase is just the latest in the ongoing collaboration between Epic Games and CD Projekt Red, both committed to pushing the boundaries of game world immersion. According to developers, the technical infrastructure laid by Unreal Engine 5.6 will serve as a powerful foundation for The Witcher 4 and future open-world RPGs.


🗺️ A Next-Gen Witcher World Awaits

With high-fidelity characters, dense cities, and rich natural environments rendered with extreme precision, The Witcher 4 looks set to become a true next-gen fantasy epic.

📅 Unreal Engine 5.6 is available now for developers.
🌿 Nanite Foliage is expected in Unreal Engine 5.7.
🎮 The Witcher 4 release date is still under wraps — but the tech behind it is already making waves.


Stay tuned, adventurer. The Continent is evolving — and it’s never looked so real.

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