Dofus/Wakfu
That precious tension of allocation
The Mall, of course the city
The fields of (creative) activity Keogh refers to in ~ The Videogame Industry Does Not Exist (http://newforum.droqen.com/index.php?topic=475.0) are all-important here; games are themselves often sites for fields, though keep in mind that a given field may be served by multiple different sites to varying degrees.
To understand the abstract form of fields which circumscribe and underline gamemaking is to understand the fields which circumscribe and underline gameplaying and many other forms of human activity.