Download size

How many GB is Osiris?

18 GB

That is more than the typical Role-playing (RPG) game, which needs about 6 GB.

Leave at least 27 GB free: games need headroom to unpack updates.

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

Osiris is a Roguelike Dark Fantasy game that thells a Story of a demigod who wants to escape the Egyptian underworld to save his beloved woman who was doomed to lose her soul forever.