Games by generation: DCS (pre-security)
WPC DCS (WPC-89 CPU, A-16917 DCS sound, A-15472 Fliptronics II): Indiana Jones, Judge Dredd, Star Trek: The Next Generation, Popeye, Demolition Man, and the Addams Family Values redemption game.
Systems
Source: Repairing Williams/Bally WPC Pinball Games from 1990 to 1999, Part One, Clay Harrell (pinrepair.com)