The Internet Pinball Serial Number Database or IPSND collects serial numbers of pinball machines and publishes a database of these on the Internet. Our goal is to make available a registration of all pinball machines in existence and allow tools for slicing, dicing and visualization of the data.

Games: 6,489  Serials: 58,042  Visitors: 53,200,615  Members: 4,676  Photos: 34,187  Lat/Lng: 29,001  Masks: 58,042(894.47 %)  Traits: 550  Nudges: 175,032  Backglasses: 1,865
  Most Serials: Twilight Zone(1,164)  Most Submissions: Dennis Braun(5,237)  Most Points: Dennis Braun(38,917)  Highest Quality: EM-fan(9.48)  Most Nudges: King of Pinball(23,083)
Williams System 11A
IPDB:  View at IPDB (External site)
Stats:  MPU used in 6 games.
   
BackglassGameYearManufacturerSerials
Backglass Image PIN·BOT1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.515
Backglass Image Millionaire1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.96
Backglass Image F-14 Tomcat1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.507
Backglass Image PIN·BOT1987Universal de Desarrollos Electronicos, S.A.1
Backglass Image Fire!1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.150
Backglass Image Fire! (Champagne Edition)1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.32