Yes, DS games do work in a DSi XL. The DSi XL is part of the DS line, so DS games are meant to work with it.
Yes, the DSi charger is the same as the DSi XL.
No, the DSi XL has its own charger.
All of the games that work for any DS will work for DSI XL.
yes
yes
yes
No. You need a different cartridge for the dsi/dsi xl, such as the acekard 2i.
no,it only works for 3ds which is 160$skylanders does not work for dsi,ds,or xls
Yes , any game made for the DS will be compatible with the DSi and DSi XL consoles
Yes.
If you mean Nintendo DSI XL, then just insert it in your DSI XL YOU DUMMO!