Download size

How many GB is Surmountable?

4 GB

Leave at least 10 GB free: games need headroom to unpack updates.

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

Your ship is shot down while engaged in a space battle. You land on an unknown planet. With your battleship damaged and no way of contacting your mother ship, you must survive on the planet until you find a way back home.