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: 78,982  Visitors: 112,317,512  Members: 6,229  Photos: 54,138  Lat/Lng: 43,978  Masks: 78,982(1,176.38%)  Traits: 592  Nudges: 274,274  Backglasses: 1,865
  Most Serials: Twilight Zone(1,521)  Most Submissions: Dennis Braun(6,331)  Most Points: Dennis Braun(47,035)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,077)
Williams WPC (Alpha Numeric)
IPDB:  View at IPDB (External site)
Stats:  MPU used in 4 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Funhouse1990Williams Electronic Games, Inc., a subsidiary of WMS Inc.677
Backglass Image Harley-Davidson (1st production run)1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.44
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.405
Backglass Image Harley-Davidson (2nd production run)1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.1