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: 6,406  Serials: 54,886  Visitors: 39,353,143  Members: 4,178  Photos: 31,377  Lat/Lng: 27,019  Masks: 54,886(856.79 %)  Traits: 543  Nudges: 159,436  Backglasses: 1,865
  Most Serials: Twilight Zone(1,129)  Most Submissions: Dennis Braun(4,569)  Most Points: Dennis Braun(33,975)  Highest Quality: EM-fan(9.52)  Most Nudges: King of Pinball(21,053)
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.484
Backglass Image PIN·BOT1987Universal de Desarrollos Electronicos, S.A.1
Backglass Image Millionaire1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.91
Backglass Image F-14 Tomcat1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.480
Backglass Image Fire!1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.135
Backglass Image Fire! (Champagne Edition)1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.32