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: 6,714  Serials: 76,303  Visitors: 104,505,100  Members: 6,117  Photos: 51,537  Lat/Lng: 43,221  Masks: 76,303(1,136.48%)  Traits: 581  Nudges: 261,112  Backglasses: 1,865
  Most Serials: Twilight Zone(1,450)  Most Submissions: Dennis Braun(6,285)  Most Points: Dennis Braun(46,613)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,079)
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.805
Backglass Image Grand Lizard1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.136
Backglass Image Road Kings1986Williams Electronic Games, Inc., a subsidiary of WMS Inc.192
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