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: 6,708  Serials: 73,266  Visitors: 89,330,951  Members: 5,956  Photos: 48,582  Lat/Lng: 41,613  Masks: 73,266(1,092.22%)  Traits: 579  Nudges: 246,254  Backglasses: 1,865
  Most Serials: Twilight Zone(1,393)  Most Submissions: Dennis Braun(6,225)  Most Points: Dennis Braun(46,362)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,825)
Williams System 6
IPDB:  View at IPDB (External site)
Stats:  MPU used in 7 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Tri Zone1979Williams Electronics, Inc. (1967-1985) 89
Backglass Image Time Warp1979Williams Electronics, Inc. (1967-1985) 85
Backglass Image Gorgar1979Williams Electronics, Inc. (1967-1985) 204
Backglass Image Laser Ball1979Williams Electronics, Inc. (1967-1985) 48
Backglass Image Firepower1980Williams Electronics, Inc. (1967-1985) 359
Backglass Image Blackout1980Williams Electronics, Inc. (1967-1985) 143
Backglass Image Scorpion1980Williams Electronics, Inc. (1967-1985) 21