Any games Ricky or his father (Edward) touched were fictional.  Others that lay unused in the background were real.   
Extracted from the book "Arcade Fever: The Fan's Guide to the Golden Age of Video Games":
...the game wall, lined at various points in time with a Pac-Man Mini, Gorf, Tempest, Dragon's Lair and Asteroids.  [Ricky] rarely played them, but he occasionally availed himself of his only fictional machine,... Swamp Wars.