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: 6,509  Serials: 59,675  Visitors: 54,320,826  Members: 4,850  Photos: 35,627  Lat/Lng: 30,067  Masks: 59,675(916.81 %)  Traits: 552  Nudges: 180,999  Backglasses: 1,865
  Most Serials: Twilight Zone(1,190)  Most Submissions: Dennis Braun(5,470)  Most Points: Dennis Braun(40,563)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(23,884)
Williams System 6
IPDB:  View at IPDB (External site)
Stats:  MPU used in 7 games.
Backglass Image Tri Zone1979Williams Electronics, Inc. (1967-1985) 73
Backglass Image Time Warp1979Williams Electronics, Inc. (1967-1985) 72
Backglass Image Gorgar1979Williams Electronics, Inc. (1967-1985) 183
Backglass Image Laser Ball1979Williams Electronics, Inc. (1967-1985) 42
Backglass Image Firepower1980Williams Electronics, Inc. (1967-1985) 288
Backglass Image Blackout1980Williams Electronics, Inc. (1967-1985) 106
Backglass Image Scorpion1980Williams Electronics, Inc. (1967-1985) 18