Are all DS games compatible with the Nintendo DSi?

From my understanding you want to play GBA, DS and DSiWare games? Here are your options:

Nintendo DS, DSi & DSiWare Topic: What is the slot called on the The slot on the bottom is for Gameboy Advance games iammikegaines

nintendo ds slot 2 This is to protect the GBA slot contacts from damage, it doesn't serve any other purpose whatsoever Reply

nintendo switch lite cartridge slot The first DS flash card I got was called the GBA Movie Player This fitted into the DS's GBA cartridge slot It had to go here as it