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Preface is an immersive tech demo showcasing Melba, PLAYERUNKNOWN Productions' groundbreaking technology generating an Earth-scale world. In this project still in development, experience our machine learning agents creating a planet in real-time, directly on your GPU.
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Explore a World in the Making
Preface is an immersive tech demo showcasing Melba, PLAYERUNKNOWN Productions' groundbreaking technology generating an Earth-scale world. In this project still in development, experience our Machine Learning agents creating a dynamic planet in real-time, all processed directly on your GPU - with no reliance on cloud services.
A Development Journey
Join us on a journey into the future of world-building. Preface gives you the opportunity to explore a vast Earth-scale world spanning 510 million km² (200 million square miles) and be among the first to witness this new technology, as it takes shape. As we continue to build and refine Melba, your experiences and feedback will play a crucial role.
Your Feedback, Our Path Forward
We believe in community-driven development. That's why we invite you to join us on Discord, where you can engage directly with our dev team, share ideas, provide feedback, and stay informed on the latest updates.
Preface is a tech demo - not a finished product. We’re in an ongoing development phase, so check back regularly to see new features and enhancements as we continue to push the boundaries of ML-driven world generation.
45% positive reviews all-time · 3 peak players in the last 30 days.
Preface: Undiscovered World peaked at 3 concurrent players on Steam in the last 30 days (highest on Jul 10, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Preface: Undiscovered World drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
