Download size

How many GB is Observa?

0.49 GB

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

Leave at least 6 GB free: games need headroom to unpack updates.

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

Alone on a floating island in deep space, you use your telescope to study the universe, capture what you find, and confront the growing sense that something out there is aware of you.