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: 6,371  Serials: 54,285  Visitors: 38,408,645  Members: 4,145  Photos: 30,801  Lat/Lng: 26,754  Masks: 54,285(852.06 %)  Traits: 525  Nudges: 156,524  Backglasses: 1,865
  Most Serials: Twilight Zone(1,118)  Most Submissions: Dennis Braun(4,478)  Most Points: Dennis Braun(33,302)  Highest Quality: EM-fan(9.49)  Most Nudges: King of Pinball(20,874)
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.467
Backglass Image Harley-Davidson1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.28
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.279