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: 6,709  Serials: 74,266  Visitors: 93,031,377  Members: 6,018  Photos: 49,556  Lat/Lng: 42,528  Masks: 74,266(1,106.96%)  Traits: 586  Nudges: 251,161  Backglasses: 1,865
  Most Serials: Twilight Zone(1,415)  Most Submissions: Dennis Braun(6,233)  Most Points: Dennis Braun(46,427)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,484)
Williams System 9
IPDB:  View at IPDB (External site)
Stats:  MPU used in 3 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Space Shuttle1984Williams Electronics, Inc. (1967-1985) 297
Backglass Image Sorcerer1985Williams Electronics, Inc. (1967-1985) 180
Backglass Image Comet1985Williams Electronic Games, Inc., a subsidiary of WMS Inc.281