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.