only for some games. i think you need wifi to set it up, i may be wrong. to download a game from the eshop you need wifi, but to put in a physical copy of a game and play it dosen't require wifi unless the game requires wifi.
No, wiiU games are only made to be used on the WiiU, though the WiiU has been made to be compatible to Wii games.
Yup, in order to play online you need internet.
You need an internet connection to play online only
you need internet to get the game downloaded and you still need to have internet connection to run the program. sadly you can't play online, it has to be downloaded.
You do not need the internet to actually install the expansion Burning Crusade but you will need the internet to update and play it.
yes of course you do if you are going to be online you need internet
To download it from the website you need internet connection of course but once it has been downloaded you can play in singleplayer with no internet. To play on a multiplayer server you do need to have internet.
Yes. You can't play online without active internet.
The WiiU is in HD, however, it does not play DVD or Blueray.
Yes, You need an internet connection because when you are on Xbox Live you are using the internet from your router.
No, you need to have internet in order to play Clash of Clans.
not yet, though the release of the wiiU is a big discussion on the Internet. it is supposed to be a personal screen for you to hold, like a mini TV in your lap.