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: 62,157  Visitors: 60,620,410  Members: 5,094  Photos: 37,960  Lat/Lng: 32,176  Masks: 62,157(948.24%)  Traits: 558  Nudges: 192,813  Backglasses: 1,865
  Most Serials: Twilight Zone(1,218)  Most Submissions: Dennis Braun(5,716)  Most Points: Dennis Braun(42,507)  Highest Quality: EM-fan(9.45)  Most Nudges: King of Pinball(25,191)
Did you know??? A small run of Williams games in the 80's began with the leters 'XP' and were a seperate numbering system. It possibly stood for 'Experimental' or 'Expo' in reference to the AMOA Expo.
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Announcements: (past announcements)

62,000 Submissions...Awesome!
Charles P submitted the 62,000th serial number today. Thanks for everyone's support... Keep the serial numbers coming!
-posted by SerialBot on 9/12/2022
Couple Bugs Fixed
I got a chance to fix two bugs that John K. found earlier this month.... First one was that when searching serial numbers, the results were excluding GamePart serials. I fixed this and also added direct links on each serial number to the submission detail page. The second bug was that when submitting GamePart serial numbers, the site was not allowing a user to submit two GamePart serials even if the GameParts were different on that game. 

Both of these should be fixed now.. thanks again John!
-posted by Jess Askey on 8/24/2022
61,000 Submissions...Woo Hoo!
Per-Åke Olsson submitted the 61,000th serial number today. Thanks for everyone's support... Keep the serial numbers coming!
-posted by SerialBot on 7/2/2022
IPSND is now a 501(c)3 Non-profit!
Hey everyone...  It took about 6 months of paperwork and fees but the IPSND (part of the ISND - Internet Serial Numbers Database) is now officially classified as a US Non-Profit. There were a couple of reasons that I took this direction...
  1. Hosting costs are greatly reduced for Non-Profits
  2. Donations are US Tax Deductible (not sure how that might work in other countries?)
  3. This keeps the IPSND money separate from my own money
  4. Ideally this makes things easier to transition to a new owner in the next 20 years.
More to come on this topic as the year goes on. Thanks to all that have supported the site in the last 16 years!
-posted by Jess Askey on 4/30/2022
New Database Server too
Just brought a new SQL Database Server online tonight... had about a 30 minute downtime, apologies! Should be solid now and I will be mucking around a little more but I will try not to break anything.
-posted by Jess Askey on 3/27/2022
New Web Server
Got a little upgrade today to a new web server with twice as much memory and twice as many CPUs. Hope that the site runs a little zippier now. I will be monitoring the performance and will see if I need to do anything to continue to tweak the VM. Next step will be migrating the database which will most likely happen the weekend of March 26th.
-posted by Jess Askey on 3/20/2022
60,000 Submissions...Niiiiceee!
Dennis Braun submitted the 60,000th serial number today. Thanks for everyone's support... Keep the serial numbers coming!
-posted by SerialBot on 3/7/2022
A couple noteworthy items...
I did some data cleansing over the past week and found that over the years there were a good amount of foreign games that had come across from the Internet Pinball Database with mangled names due to the way I was decoding the Unicode in their names. I ran a fix on this so games like Apollo Moon (アポロムーン)will now have the appropriate characters (Japanese in this example).

Also, I ran across the fact that there were no serial masks defined for Jersey Jack Guns &  Roses games (Guns N' Roses Not In This Lifetime (Standard Edition), Guns N' Roses Not In This Lifetime (Limited Edition)and Guns N' Roses Not In This Lifetime (Collector's Edition)) so I got those assigned. Kudos to Jersey Jack for giving each game a different serial number prefix so you can tell the specific model by the serial number. That is some smart decision making in my book!
-posted by Jess Askey on 2/12/2022