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: 6,708  Serials: 73,411  Visitors: 89,875,343  Members: 5,968  Photos: 48,722  Lat/Lng: 41,756  Masks: 73,411(1,094.38%)  Traits: 579  Nudges: 246,930  Backglasses: 1,865
  Most Serials: Twilight Zone(1,393)  Most Submissions: Dennis Braun(6,227)  Most Points: Dennis Braun(46,362)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,689)
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.785
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.183
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