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: 6,555  Serials: 61,692  Visitors: 59,470,435  Members: 5,037  Photos: 37,520  Lat/Lng: 31,770  Masks: 61,692(941.14%)  Traits: 557  Nudges: 190,588  Backglasses: 1,865
  Most Serials: Twilight Zone(1,213)  Most Submissions: Dennis Braun(5,706)  Most Points: Dennis Braun(42,428)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(24,994)
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.525
Backglass Image Harley-Davidson1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.31
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.315