About: http://webisa.webdatacommons.org/271133684

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	and Portal is a game made two years after Prey, so do not compare them. also, Portal is not fps, but a puzzle game.
http://www.w3.org/ns/prov#wasQuotedFrom	gamespot.com