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: 6,703  Serials: 70,689  Visitors: 81,821,766  Members: 5,794  Photos: 46,073  Lat/Lng: 39,312  Masks: 70,689(1,054.59%)  Traits: 578  Nudges: 233,621  Backglasses: 1,865
  Most Serials: Twilight Zone(1,353)  Most Submissions: Dennis Braun(6,159)  Most Points: Dennis Braun(45,854)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(29,983)
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.576
Backglass Image Harley-Davidson (1st production run)1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.41
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.350
Backglass Image Harley-Davidson (2nd production run)1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.0