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: 76,043  Visitors: 103,646,535  Members: 6,109  Photos: 51,278  Lat/Lng: 43,155  Masks: 76,043(1,132.60%)  Traits: 581  Nudges: 259,804  Backglasses: 1,865
  Most Serials: Twilight Zone(1,449)  Most Submissions: Dennis Braun(6,276)  Most Points: Dennis Braun(46,613)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,079)
Williams System 9
IPDB:  View at IPDB (External site)
Stats:  MPU used in 3 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Space Shuttle1984Williams Electronics, Inc. (1967-1985) 302
Backglass Image Sorcerer1985Williams Electronics, Inc. (1967-1985) 184
Backglass Image Comet1985Williams Electronic Games, Inc., a subsidiary of WMS Inc.286