The terminal sphere is the boundary of a group of multiverses, if you are outside of the Terminal Sphere which is near impossible as Multiverses tend to clump together, it would have a true instant photon glow that is visible even to the blind. It is surrounded by The Void
You can also play Multiversal Football here.
Their currency is the multiversal currency, 1 MD (Multiversal dollar) is 10^1001 (US dollars)