Xbox One still requires constant online for cloud based games.

http://news.softpedia.com/news/Xbox-One-Games-with-Cloud-Features-Still-Need-Constant-Online-Connection-362160.shtml

 Microsoft has revealed a few more details about its recent and quite drastic change of policies regarding used games and Internet connection for the Xbox One, confirming that games which take advantage of the cloud service will still need to be permanently online.

Man they just don't get it! and yes that means single player games will still require permanant online connection.

uhmmmmm do you know what cloud based games are ? 

Cloud based game == MMO

uhmmmmm do you know what cloud based games are ? 

Joedgabe

Yes I do, do you? Single player games can use the "power of the cloud" for Ai and large amounts of data transfer.