They're NES/SNES/GBA games. It's up to you to nab a rom, I'm sure you can.
Otherwise refer to the first post for the patch.
Also, the music is in an entirely different style than the music in Earthbound, but man, I really love the music in this game.
ps: was i the only one to get really depressed by chapter 4
i mean they come and add all this capitalist shit to what was a peaceful village without any technology
not only that but they literally force it on them