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: 74,162  Visitors: 92,610,423  Members: 6,010  Photos: 49,459  Lat/Lng: 42,437  Masks: 74,162(1,105.41%)  Traits: 582  Nudges: 250,672  Backglasses: 1,865
  Most Serials: Twilight Zone(1,409)  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) 296
Backglass Image Sorcerer1985Williams Electronics, Inc. (1967-1985) 180
Backglass Image Comet1985Williams Electronic Games, Inc., a subsidiary of WMS Inc.280