Download size

How many GB is Sub Optimal Co.?

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.

It's simple. Maneuver your submarine to collect the target and return back to base while not scratching the cave-walls. Invite your friends to take control. Navigate carefully and consider every move while exploring unique cave systems in this slow pace, athmospheric, multiplayer diving experience.