Steam Playtests
Protoplanet Express

Open now · Join instantly

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

  1. Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
  2. Use the Protoplanet Express playtest signup there. You're in straight away, with nothing to pay.
  3. The playtest shows up in your Steam library, ready to install and play.

New to playtests? How Steam playtests work

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.