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: 6,607  Serials: 63,577  Visitors: 63,748,356  Members: 5,219  Photos: 39,261  Lat/Lng: 33,355  Masks: 63,577(962.27%)  Traits: 562  Nudges: 199,382  Backglasses: 1,865
  Most Serials: Twilight Zone(1,226)  Most Submissions: Dennis Braun(5,864)  Most Points: Dennis Braun(43,565)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(25,692)
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.550
Backglass Image Millionaire1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.100
Backglass Image F-14 Tomcat1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.531
Backglass Image PIN·BOT1987Universal de Desarrollos Electronicos, S.A.1
Backglass Image Fire!1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.152
Backglass Image Fire! (Champagne Edition)1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.32