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: 6,555  Serials: 61,636  Visitors: 59,356,020  Members: 5,031  Photos: 37,469  Lat/Lng: 31,721  Masks: 61,636(940.29%)  Traits: 557  Nudges: 190,322  Backglasses: 1,865
  Most Serials: Twilight Zone(1,212)  Most Submissions: Dennis Braun(5,705)  Most Points: Dennis Braun(42,420)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(24,971)
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) 78
Backglass Image Grand Slam1983Bally Midway Mfg. Co. (1983-1988) 10
Backglass Image Gold Ball1983Bally Midway Mfg. Co. (1983-1988) 6
Backglass Image Big Bat1984Bally Midway Mfg. Co. (1983-1988) 0
Backglass Image Granny and the Gators1984Bally Midway Mfg. Co. (1983-1988) 8