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: 6,709  Serials: 74,215  Visitors: 92,822,598  Members: 6,015  Photos: 49,509  Lat/Lng: 42,484  Masks: 74,215(1,106.20%)  Traits: 582  Nudges: 250,903  Backglasses: 1,865
  Most Serials: Twilight Zone(1,410)  Most Submissions: Dennis Braun(6,233)  Most Points: Dennis Braun(46,427)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,484)
Williams System 11
IPDB:  View at IPDB (External site)
Stats:  MPU used in 5 games.
   
BackglassGameYearManufacturerSerials
Backglass Image High Speed1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.795
Backglass Image Grand Lizard1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.134
Backglass Image Road Kings1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.184
Backglass Image Sudden Withdrawal1990Williams Electronic Games, Inc., a subsidiary of WMS Inc.0
Backglass Image WPC Test Fixture1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.6