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: 6,550  Serials: 60,994  Visitors: 58,498,936  Members: 4,998  Photos: 36,843  Lat/Lng: 31,117  Masks: 60,994(931.21%)  Traits: 556  Nudges: 187,172  Backglasses: 1,865
  Most Serials: Twilight Zone(1,209)  Most Submissions: Dennis Braun(5,687)  Most Points: Dennis Braun(42,298)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(24,601)
Williams System 6
IPDB:  View at IPDB (External site)
Stats:  MPU used in 7 games.
Backglass Image Tri Zone1979Williams Electronics, Inc. (1967-1985) 74
Backglass Image Time Warp1979Williams Electronics, Inc. (1967-1985) 74
Backglass Image Gorgar1979Williams Electronics, Inc. (1967-1985) 186
Backglass Image Laser Ball1979Williams Electronics, Inc. (1967-1985) 43
Backglass Image Firepower1980Williams Electronics, Inc. (1967-1985) 291
Backglass Image Blackout1980Williams Electronics, Inc. (1967-1985) 109
Backglass Image Scorpion1980Williams Electronics, Inc. (1967-1985) 18