2ds can play virtually all 3ds games.
Can 2ds play new 3ds games. However, there are a few exceptions. All 3ds games work on 2ds systems with the exception of a few that are labeled “only for new nintendo 3ds xl”, like xenoblade chronicles or binding of isaac. Yes, but the upper screen of the 2ds xl is 400240 pixels, which is significantly lower than even the cheapest smartphone.
As part of their new… um, new 3ds announcement late last week, nintendo confirmed that some new 3ds games will not work on the current 3ds family of. 2ds (the flat one, not the foldable one) can play almost every game. There are no such thing as 3ds xl games, the xl is entirely a console designation, not platform.
The 3ds was created to play games, and it has always been. Please note that contacting nintendo by phone is the best way to. The 3ds console renders games in 3d and is a good fit for older audiences.
The 2ds will play all of the ds and 3ds pokémon games. Not exclusive, amiibo can be used on the older systems with the nfc reader/writer accessory.