One up puzzle
www.oneuppuzzle.com
A fantastic numeric logic puzzle
I finished the puzzle #550 (9x9) in 
19 minutes, 49 seconds

I found today’s puzzle hard.

    • SorryImLate@piefed.socialOPEnglish
      1·
      1 month ago

      Oh interesting.

      The game doesn’t have an official archive, so I just post the random links I get each day. I never actually checked for how long they work.

      Sorry :(