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: 6,693  Serials: 66,440  Visitors: 69,038,070  Members: 5,441  Photos: 42,031  Lat/Lng: 35,863  Masks: 66,440(992.68%)  Traits: 569  Nudges: 213,296  Backglasses: 1,865
  Most Serials: Twilight Zone(1,267)  Most Submissions: Dennis Braun(6,038)  Most Points: Dennis Braun(44,947)  Highest Quality: EM-fan(9.48)  Most Nudges: pinballservice-nl(26,997)
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.548
Backglass Image Harley-Davidson1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.35
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.328