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: 6,555  Serials: 61,692  Visitors: 59,469,660  Members: 5,037  Photos: 37,520  Lat/Lng: 31,770  Masks: 61,692(941.14%)  Traits: 557  Nudges: 190,587  Backglasses: 1,865
  Most Serials: Twilight Zone(1,213)  Most Submissions: Dennis Braun(5,706)  Most Points: Dennis Braun(42,428)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(24,990)
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.682
Backglass Image Grand Lizard1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.116
Backglass Image Road Kings1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.159
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.4