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: 69,634  Visitors: 78,524,399  Members: 5,726  Photos: 45,090  Lat/Lng: 38,447  Masks: 69,634(1,038.85%)  Traits: 572  Nudges: 228,686  Backglasses: 1,865
  Most Serials: Twilight Zone(1,334)  Most Submissions: Dennis Braun(6,144)  Most Points: Dennis Braun(45,740)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(29,145)
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.751
Backglass Image Grand Lizard1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.133
Backglass Image Road Kings1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.171
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