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: 80,636  Visitors: 117,387,896  Members: 6,323  Photos: 55,636  Lat/Lng: 45,554  Masks: 80,636(1,201.01%)  Traits: 591  Nudges: 281,833  Backglasses: 1,865
  Most Serials: Twilight Zone(1,543)  Most Submissions: Dennis Braun(6,336)  Most Points: CasaSchiller(48,449)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(30,746)
Williams System 9
IPDB:  View at IPDB (External site)
Stats:  MPU used in 3 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Space Shuttle1984Williams Electronics, Inc. (1967-1985) 316
Backglass Image Sorcerer1985Williams Electronics, Inc. (1967-1985) 195
Backglass Image Comet1985Williams Electronic Games, Inc., a subsidiary of WMS Inc.296