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: 6,703  Serials: 69,138  Visitors: 76,313,409  Members: 5,677  Photos: 44,624  Lat/Lng: 38,042  Masks: 69,138(1,031.45%)  Traits: 570  Nudges: 226,337  Backglasses: 1,865
  Most Serials: Twilight Zone(1,323)  Most Submissions: Dennis Braun(6,130)  Most Points: Dennis Braun(45,634)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(28,790)
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.594
Backglass Image Millionaire1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.105
Backglass Image F-14 Tomcat1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.570
Backglass Image PIN·BOT1987Universal de Desarrollos Electronicos, S.A.2
Backglass Image Fire!1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.170
Backglass Image Fire! (Champagne Edition)1987Williams Electronic Games, Inc., a subsidiary of WMS Inc.34