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: 6,643  Serials: 63,757  Visitors: 63,972,036  Members: 5,235  Photos: 39,433  Lat/Lng: 33,512  Masks: 63,757(959.76%)  Traits: 564  Nudges: 200,243  Backglasses: 1,865
  Most Serials: Twilight Zone(1,227)  Most Submissions: Dennis Braun(5,878)  Most Points: Dennis Braun(43,670)  Highest Quality: EM-fan(9.51)  Most Nudges: King of Pinball(25,752)
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.531
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.318