Download size

How many GB is Protoplanet Express?

2 GB

That is less than the typical Simulator game, which needs about 4 GB.

Leave at least 8 GB free: games need headroom to unpack updates.

The figure is the storage Steam lists as required for this game, not a measured download.

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.