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: 68,868  Visitors: 75,455,239  Members: 5,654  Photos: 44,377  Lat/Lng: 37,830  Masks: 68,868(1,027.42%)  Traits: 574  Nudges: 225,097  Backglasses: 1,865
  Most Serials: Twilight Zone(1,315)  Most Submissions: Dennis Braun(6,121)  Most Points: Dennis Braun(45,560)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(28,611)
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.745
Backglass Image Grand Lizard1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.132
Backglass Image Road Kings1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.170
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.5