The dlc includes a game from a sequel to Bythzkel Sombréa it consists of an integration of functionality with VR both playable with keyboard and mouse you could use VR Occulus and other device if there are bugs please report on the main chat of the steam store below the small tab which takes you back to the dev chat.
Bythzkel-Astec Experimental
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.