I have an old Raspberry Pi 1 (!) still going strong with Batocera Linux running NES, SNES and Mega Drive (Genesis) emulators.
I’m looking for easy multiplayer games that can be played with a 5yo. Non violent and ideally co-op, bonus points if somewhat educational.
SNES:
Harvest Moon - this can lead into allowing the kid to plant something IRL and having them water it regularly, allowing them to “be a real farmer”. Incidentally this is also a great way to get a child to eat vegetables, as a child who refuses to even consider eating a vegetable will change their mind when they grew it themselves
Super Mario Kart
Mega Drive: