Yes, regular DS games fit into a 3DS.
Yes, the 3DS has backwards compatibility to DS and DSi games.
No, the Nintendo DS lite cannot play 3DS games.
No. the DSi is a few more in.'s then the DS Lite
yes but 3ds games don't work on a ds lite
Yes, and vise versa. But 3DS games can only be played on a 3DS.
No. But, you will be able to play ds lite games ont the 3DS.
Yes, you can use ds lite games in the original Nintendo ds. They are not making new specialized games for the Nintendo ds lite. they are still making games that fit both the original DS and the Nintendo DS Lite.
Yes it is a Smaller Version of the original Nintendo DS the only other DS that is a totally new ds is the 3ds although Dsi supports dsi titles that the original and lite versions do not but the 3ds supports all of them. You can also play ds Games on a 3ds but you cannot play gameboy advanced games on a 3ds whereas on normal or lite ds you can play Game Boy advanced games.
No the 3DS game cards are shaped slightly different then the Nintendo Ds. Of course if you could put the 3DS game cards in the Ds lite it would still not work because the features and intense graphics the nintendo 3DS requires for games can't be used on the Ds lite. Don't buy 3DS games for the Ds lite as it just won't work. You can consider buying a 3DS however as the 3DS is backwards compatible with all DS games.
No. The NDS lite cannot play 3DS games in the first place so it will not be able to link with a 3DS. However, the 3DS is backwards compatible, meaning it'll play NDS games so it can link with the DS lite if playing a NDS game.
No, 3DS games can only be played on a 3DS.
no