Brendan Greene’s PLAYERUNKNOWN Productions announced two connected projects: Preface: Undiscovered World, a free technology demo for the studio’s Melba engine, and Prologue: Go Wayback!, a single-player open-world survival game. The studio says Preface demonstrates real-time generation of an Earth-scale world on a user’s GPU; that is the studio’s description, not an independently verified performance benchmark. Its longer-term plan also includes Project Artemis, described as a planned massive multiplayer sandbox.
What are Preface and Prologue?
They are related projects with different purposes. In its December 5, 2024 announcement, PLAYERUNKNOWN Productions presented Preface: Undiscovered World as an immersive technology demo showcasing Melba, the studio’s proprietary engine. The studio says Melba is intended to generate an Earth-scale world in real time on the user’s GPU. Preface is an early look at that technology, not the survival game described on Steam. Read the studio announcement.
Prologue: Go Wayback! is the playable game: Steam describes it as a single-player, open-world emergent survival roguelike. Each run generates a 64 km² wilderness on the player’s PC, where the challenge involves navigation, weather, food and water, and reaching a Weather Tower. See the current Steam listing.
How do the two projects differ?
| Project | Purpose and scope | What the player does | Evidence and status |
|---|---|---|---|
| Preface: Undiscovered World | Technology demo for Melba; the studio describes its world-generation goal as Earth-scale. | Explore a real-time generated world in the demo. | Described in the studio’s December 5, 2024 announcement; the Earth-scale capability is a studio claim, not an independently verified performance result. |
| Prologue: Go Wayback! | Single-player survival roguelike; Steam says each run generates a 64 km² wilderness. | Navigate and manage survival needs while trying to reach a Weather Tower. | Current Steam store listing, accessed October 8, 2026; listed as free-to-play, with an Early Access date of November 20, 2025, and a June 17, 2026 release date. |
The scales are not directly comparable: Preface’s Earth-scale description concerns the demo’s technology ambition, while Prologue’s 64 km² figure describes the generated map for a game run. Neither claim establishes how well either project performs on a given PC.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →#1 Best Overall
- Fearless ROG Design – The G700’s dual-glass chassis showcases iconic ROG design with the ROG Slash and Aura Sync RGB lighting. Its 58L capacity supports triple-slot GPUs.
- Unstoppable Power – Equipped with the Intel Core Ultra 7 265F processor, NVIDIA GeForce RTX 5070 GPU, 16GB DDR5 RAM, and 1TB SSD PCIe 4.0 storage for seamless gaming and multitasking.
- Optimized Thermals – Stay cool with a quad-fan system, while dust filters and efficient airflow ensure long-term reliability.
- Advanced Connectivity – Game without lag with 2.5Gbps Ethernet, Wi-Fi 6, and versatile ports. Dolby Atmos audio and AI noise cancellation enhance sound and communication.
- Ready for Upgrades – Designed with tool-less access, easily swap out components, ensuring future-proof performance for years to come.
What is Project Artemis?
PLAYERUNKNOWN Productions described Project Artemis as a planned massive multiplayer sandbox that would build on technological advances tested and refined through Preface and Prologue. That is an announced direction, not confirmation that Artemis has launched or that all of its intended capabilities have been demonstrated. The studio’s announcement lays out this relationship between the projects, but does not establish a launch date. Studio announcement.
Can you play Prologue, and what PC does it require?
Steam’s current listing classifies Prologue: Go Wayback! as free-to-play and lists its release date as June 17, 2026. The page also records an Early Access date of November 20, 2025. Store details can change; check the live Steam page for the latest availability and requirements.
Rank #2
- System: AMD Ryzen 5 5500 3.6GHz 6 Cores | AMD B550 Chipset | 8GB DDR4 | 500GB PCIe 4.0 NVMe SSD | Windows 11 Home
- Graphics: AMD Radeon RX 6500 XT 4GB Graphics | 1x HDMI | 1x DisplayPort
- Connectivity: 4 x USB-A 3.2 | 4 x USB-A 2.0 | 1 x LAN | WiFi 5 | Bluetooth 5.0 | 7.1 Channel Audio
- Tempered Side Case Panel | Custom RGB Lighting | Keyboard and Mouse
- 1 Year Parts & Labor Warranty, Free Lifetime Tech Support
| Requirement | Minimum | Recommended |
|---|---|---|
| Operating system | 64-bit Windows 10 | Not stated on the Steam listing |
| Processor | Intel Core i5-8600 | Intel Core i5-10600k |
| Memory | 16 GB RAM | 16 GB RAM |
| Graphics | NVIDIA GTX 1070 | NVIDIA RTX 2080/3070 |
| DirectX | Version 12 | Not stated on the Steam listing |
| Storage | 10 GB | 10 GB |
These are the listed requirements for Prologue, not Preface. The cited sources do not establish Preface’s PC requirements.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How much of the Earth-scale claim is verified?
The studio’s announcement describes Melba as technology for real-time Earth-scale world generation on a user’s GPU. The reviewed sources do not provide an independent benchmark or controlled performance test confirming that claim. Treat “Earth-scale” as the studio’s description of the demo’s ambition, not a measured result or a guarantee about performance on particular hardware.
Recommended Free Tools
Quick Recap
Best Value
- POWERED BY RTX 5070 12GB + RYZEN 7 9700X - The GeForce RTX 5070 12GB GDDR7 graphics card pairs with an 8-core AMD Ryzen 7 9700X processor to drive smooth 1440p and 4K gameplay, giving this gaming PC the headroom for modern titles, streaming, and creative work.
- 32GB DDR5 6000MHz MEMORY & 1TB NVMe SSD - 32GB of high-speed DDR5 memory and a 1TB PCIe 4.0 NVMe solid state drive deliver quick load times, smooth multitasking, and generous storage, keeping this prebuilt gaming desktop responsive under heavy workloads.
- BUILT-IN 11.3-INCH Smart DISPLAY - An integrated smart screen shows real-time CPU and GPU temperatures, usage, and weather while you play, adding a distinctive and functional touch to your battlestation.
- 850W 80+ GOLD POWER SUPPLY, 360MM LIQUID COOLING & WiFi 7 - An 850W 80 Plus Gold certified power supply provides stable, efficient power with headroom for future upgrades, while a 360mm AIO liquid cooler, WiFi 7, and an ARGB mid-tower case keep the Ryzen 7 CPU cool and connected in a clean build.
- READY TO PLAY OUT OF THE BOX - Arrives fully assembled and tested with Windows 11 Home pre-installed, so your prebuilt gaming computer is ready to set up in minutes. Assembled in the USA, and backed by a one-year limited warranty and lifetime free technical support.
Rank #4
- POWERHOUSE 8-CORE GAMING PERFORMANCE — Driven by the AMD Ryzen 7 8700F with 8 cores and 16 threads, boosting up to 5.0 GHz for smooth, responsive gameplay and the ability to handle AAA titles, streaming, and background tasks all at once
- NEXT-GEN BLACKWELL ARCHITECTURE — The NVIDIA GeForce RTX 5070 is powered by NVIDIA's cutting-edge Blackwell GPU architecture, delivering a massive generational leap in rasterization and ray tracing performance so you can experience your games the way they were meant to be played.
- Simplistic Design: Enjoy the latest generation of Windows 11 Home for your everyday needs. *MSI recommends Windows 11 Pro for business use.
- Cool While Gaming: In conjunction with an ARGB fan Air Cooler, the Codex R2 features four system cooling fans; three in the front and one in the rear to pull in cool air and push heat out of the PC.
- Turn on the Bright Lights: With the built-in RGB lighting, take your gaming experience to the next level by pressing the MSI LED button to cycle through lighting options. Customize lighting even further with MSI Center software.
Rank #3
- 8-Core 16-Thread Processing Power – Powered by the Ryzen 7 4700LE processor with Zen 2 architecture, delivering 8 cores and 16 threads with a boost clock up to 4.2GHz. Effortlessly handle multitasking, streaming, content creation, and demanding applications simultaneously without slowdowns.
- GeForce RTX 3050 8GB Graphics – Equipped with 8GB GDDR6 dedicated VRAM and real-time ray tracing support. Experience smooth 1080p gaming at 55-60 FPS in AAA titles like Cyberpunk 2077, 70+ FPS in Fortnite, and 90-100 FPS in Apex Legends with DLSS enabled. The 8GB buffer handles modern game textures comfortably – a step above 6GB variants
- High-Speed Memory & Storage – Paired with 16GB of DDR4 3200MHz dual-channel RAM (16GB), the PC ensures responsive multitasking—whether streaming while gaming or editing videos. It also includes a 512 GB NVMe M.2 SSD for lightning-fast boot times, quick game loads, and ample storage for your game library, creative projects, and files.
- Next-Gen WiFi 6 Connectivity – Stay connected with the latest WiFi 6 technology for faster speeds, lower latency, and improved network efficiency. Whether you're gaming online, streaming 4K content, or joining video conferences, enjoy stable, high-speed wireless connectivity.
- Ready-to-Use Value Desktop – Pre-built and ready to go right out of the box. Perfect for gamers, students, content creators, and home office users seeking reliable performance without the hassle of building a PC themselves. The mature AM4 platform with DDR4 memory offers excellent value and proven stability.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
