Andy Baio wrote in Medium, Playing With My Son.
"Start with the arcade classics and Atari 2600, from Asteroids to Zaxxon. After a year, move on to the 8-bit era with the NES and Sega classics. The next year, the SNES, Game Boy, and classic PC adventure games. Then the PlayStation and N64, Xbox and GBA, and so on until we’re caught up with the modern era of gaming."
"On Eliot’s fourth birthday, I started him with a Pac-Man plug-and-play TV game loaded with arcade classics — Galaxian (1979), Rally-X (1980), Bosconian (1981), Dig Dug (1982), and of course, Pac-Man (1980) and three sequels, Super Pac-Man (1982), Pac-Man Plus (1982), and Pac & Pal (1983)."