It appears the Guiness World Record for the most number of completed puzzles is 1028. Here’s a cool article about one British woman named Jodie Desbiens who is trying to beat it.

http://www.cbc.ca/beta/news/canada/windsor/windsor-woman-applies-for-jigsaw-puzzle-guinness-world-record-1.3483340

Thanks to Melodie for passing this on to me.

I’m probably done this many over the years, but I haven’t kept them assembled!

Jane