A DSi can play all Nintendo DS games, so yes.
no you can't play dsi games in ds but you can play ds games in dsi.
yes you can play it on dsi
you can not play Poptropica on the Nintendo DSi
Yes, you can play DS lite games on the DSi as well as the DSi XL
YES, THE DS AND THE DSI can play toegether.
No, the Nintendo DSi cannot play discs.
You can play that game on the Dsi. I would know because I play it on the Dsi all the time. Spmething is probably wrong with your DSi.
yes you can
The DSi can play DS and DSi games, as well as DSi ware games. It cannot play GameBoy games or 3DS games.
yes u can play any DS game on the DSI.
A US DSi can play UK games