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Protoplanet Express playtest
by Jorge Cuadra, Miguel Vergara
Embark on an exciting journey to explore distant star systems and witness the fascinating process of planet formation. In this immersive video game, you'll have the chance to learn about real protoplanetary systems based on simulations crafted by professional astronomers.
Anyone with a Steam account can join, and it's free.
- Access
- Instant
- On playtest since
- Apr 18, 2025
- Released
- Nov 15, 2023
- Developer
- Jorge Cuadra, Miguel Vergara
- Platforms
- Windows, macOS
- Players
- Single-player
- Languages
- English, German, Spanish - Latin America
How to join the Protoplanet Express playtest
- Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
- Use the Protoplanet Express playtest signup there. You're in straight away, with nothing to pay.
- The playtest shows up in your Steam library, ready to install and play.
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About Protoplanet Express
Embark on an exciting journey to explore distant star systems and witness the captivating process of planet formation in this immersive video game. You'll have the opportunity to delve into real protoplanetary systems, all meticulously recreated through simulations by professional astronomers.
Climb aboard the Protoplanet Express, your reliable spacecraft for this adventure, and navigate through the vastness of space. Discover a multitude of viewpoints within these simulations, each offering a fresh perspective on every system.
As you progress, you'll encounter different astronomers who will share insights into what makes each system truly unique. In some systems, you'll not only find stars but also planets and multiple stars. These celestial bodies wield gravitational forces like cosmic artists, sculpting dust and gas into mesmerizing features such as spirals, rings, and gaps – all ready for you to explore in these celestial realms.
Each system you explore is painstakingly crafted, with hundreds of thousands of particles arranged precisely to match astrophysical simulations. This ensures that you won't miss a single visual detail throughout your cosmic odyssey.
From the game's Steam page.





