System 11C games
The Bally Game Show, Rollergames, Pool Sharks, Diner, Radical, Riverboat Gambler, Bugs Bunny Birthday Ball and Dr. Dude. Around a hundred Dr. Dude machines left the factory on WPC boards instead.
Systems
Source: Repairing Williams System 11 Pinball 1986 to 1990, Deel 1, Clay Harrell (pinrepair.com)