About: http://webisa.webdatacommons.org/96195776

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	Basically, up and down is relative throughout the game; certain types of corridors allow you to run straight up onto a wall and then keep moving forward.
http://www.w3.org/ns/prov#wasQuotedFrom	gamespot.com