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: 6,688  Serials: 65,444  Visitors: 66,421,103  Members: 5,362  Photos: 41,074  Lat/Lng: 35,004  Masks: 65,444(978.53%)  Traits: 567  Nudges: 208,500  Backglasses: 1,865
  Most Serials: Twilight Zone(1,246)  Most Submissions: Dennis Braun(6,003)  Most Points: Dennis Braun(44,587)  Highest Quality: EM-fan(9.51)  Most Nudges: pinballservice-nl(26,445)
Williams WPC (Dot Matrix)
IPDB:  View at IPDB (External site)
Stats:  MPU used in 7 games.
   
BackglassGameYearManufacturerSerials
Backglass Image SlugFest (Second Model)1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.1
Backglass Image SlugFest (First Model)1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.80
Backglass Image Gilligan's Island1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.124
Backglass Image Terminator 2: Judgment Day1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.509
Backglass Image Hurricane1991Williams Electronic Games, Inc., a subsidiary of WMS Inc.149
Backglass Image The Party Zone1991Midway Mfg. Co., a subsidiary of WMS Industries, Inc.126
Backglass Image Hot Shot1994Midway Mfg. Co., a subsidiary of WMS Industries, Inc.8