You are forgetting the handheld line
Gameboy Color supported OG Gameboy games
GBA supported GBC games
DS supported GBA and(?) GBC games - Could be wrong about that
3DS supported DS games.
Gameboy Color supported OG Gameboy games
GBA supported GBC games
DS supported GBA and(?) GBC games - Could be wrong about that
3DS supported DS games.
The 3DS also had games from other consoles for sale in the eShop, but they were emulated (GB, GBC, Game Gear, NES, SNES). If you bought a 3DS before the price drop, you could also play some GBA games. These are also running natively, not emulation https://en-americas-support.nintendo.com/app/answers/detail/...