Arc of Yesod is a sequel to Nodes of Yesod.
Story continues - destruction of communication monolith was not successful and its creators managed to salvage it. Now its up to protagonist to travel to their home planet Ariat and finish the job started.
Gameplay is similar as the first part. It consists of wandering through cavern areas, fighting enemies, collecting crystals, all in the manner of side-scroller.
Single player only.