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: 6,703  Serials: 71,828  Visitors: 85,202,009  Members: 5,879  Photos: 47,175  Lat/Lng: 40,344  Masks: 71,828(1,071.58%)  Traits: 577  Nudges: 239,184  Backglasses: 1,865
  Most Serials: Twilight Zone(1,378)  Most Submissions: Dennis Braun(6,200)  Most Points: Dennis Braun(46,159)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(30,924)
Williams WPC (Alpha Numeric)
IPDB:  View at IPDB (External site)
Stats:  MPU used in 4 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Funhouse1990Williams Electronic Games, Inc., a subsidiary of WMS Inc.586
Backglass Image Harley-Davidson (1st production run)1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.42
Backglass Image The Machine: Bride of Pin·bot1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.356
Backglass Image Harley-Davidson (2nd production run)1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.0