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: 6,416  Serials: 55,916  Visitors: 43,274,036  Members: 4,332  Photos: 32,329  Lat/Lng: 27,647  Masks: 55,916(871.51 %)  Traits: 540  Nudges: 164,264  Backglasses: 1,865
  Most Serials: Twilight Zone(1,142)  Most Submissions: Dennis Braun(4,846)  Most Points: Dennis Braun(36,091)  Highest Quality: EM-fan(9.54)  Most Nudges: King of Pinball(21,673)
Bally MPU AS-2518-133
IPDB:  View at IPDB (External site)
Stats:  MPU used in 5 games.
   
BackglassGameYearManufacturerSerials
Backglass Image Baby Pac-Man1982Bally Manufacturing Corporation (1931-1983) 75
Backglass Image Grand Slam1983Bally Midway Mfg. Co. (1983-1988) 10
Backglass Image Gold Ball1983Bally Midway Mfg. Co. (1983-1988) 5
Backglass Image Big Bat1984Bally Midway Mfg. Co. (1983-1988) 0
Backglass Image Granny and the Gators1984Bally Midway Mfg. Co. (1983-1988) 6