Ow does time and space operate in the virtual world?
A semiotic analysis is based on Saussurean structural linguistics.
As an investigation into what there advantages and disadvantages to each virtual spacial structure is, in terms of game theory. Examples of games that have used these spacial structures and further investigation into whether the games were made to such a degree that they were compelling to play, based purely on the spacial structuring.
Example theorist who has done some work on this area: Wolf, Mark J.P. (2002)