No, The amount of space required for WoW is too large.
Yes you can install Wizard 101 in Dsi,Dsi xl. all you need is a usb to plug in your computer to install it.
On a Nintendo DS, and a Nintendo DSi, you can't. I'm not sure about the 3DS though, because I don't have that.
you can not play Poptropica on the Nintendo DSi
No, the Nintendo DSi cannot play discs.
A DSi can play all Nintendo DS games, so yes.
they all play the same type dsi play ds games
well then u can play ds games but no game boy ur wellcome
if the artwork on the box say DSI you can not play it on a Nintendo ds, but, there are only a handful of games that say this
No
No you can not.
Yes.
No, the Nintendo DSi does not have a second slot to play GBA games
Yes, the Nintendo DSi can play Brainage. However, it cannot play the 3DS Brianage since the NDSi does not play 3DS games.
Yes, the Nintendo DSi XL can play all Nintendo DS games, except for Guitar Hero, which requires a slot-2 add-on device. The DSi and the XL do not have a slot-2.