Should you get a Nintendo 3DS if you have a Nintendo DS?
It truly depends on if you want to upgrade to the new Nintendo system. The Nintendo 3DS is the currenty generation for Nintendo games and DS support including internet gaming are not in use anymore. It will cost you money but if you want the newer selection of games that are only avaible on the Nintendo 3DS, it would be a good choice to get it. However, the Nintendo DS already has a wide selection of games, so if you think that those games are enough, then it is uneccesary to upgrade.
The Nintendo DS is fully backward compatible with Nintendo DS games; however, the Nintendo 3DS does not have Slot 2, as seen on the Nintendo DS and Nintendo DS Lite, so those features will not be supported. Additionally, DSiWare games will be available to download on the Nintendo 3DS after the software update in May 2011.
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…
Yes, PokÃ©mon LeafGreen will work on a Nintendo DS system as long as it's the original Nintendo DS system that is referred to as the Nintendo DS Phat and the Nintendo DS Lite. The Nintendo DSi, Nintendo DSi XL, the Nintendo 3DS and the Nintendo 3DS XL cannot play LeafGreen because they do not have the Gameboy slot like the originial DS and the DS Lite do.