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: 6,423  Serials: 56,249  Visitors: 44,379,954  Members: 4,415  Photos: 32,628  Lat/Lng: 27,882  Masks: 56,249(875.74 %)  Traits: 542  Nudges: 165,807  Backglasses: 1,865
  Most Serials: Twilight Zone(1,145)  Most Submissions: Dennis Braun(4,931)  Most Points: Dennis Braun(36,730)  Highest Quality: EM-fan(9.54)  Most Nudges: King of Pinball(21,916)
Williams WPC (Alpha Numeric)
IPDB:  View at IPDB (External site)
Stats:  MPU used in 3 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Funhouse1990Williams Electronic Games, Inc., a subsidiary of WMS Inc.481
Backglass Image Harley-Davidson1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.30
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.298