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Welcome to Numbergrids!

Whether you know them as numbergrids, nonograms, nonogrids, paint-by-number or any other name (there are dozens!), we've got hundreds of thousands of unique puzzles here for you to solve. You can play for fun, or register a free account and compete against other players for the Numbergrid Hall of Fame!

How are our puzzles different? It may sound silly to say... but each of our puzzles is actually solvable! There are many online sites offering numbergrid-type puzzles, but far too many of these are computer-generated and either have multiple solutions, or they require the user to guess or use trail-and-error to complete them. Not ours - we've engineered every single puzzle on this site so that each has one unique solution, and is solvable using pure logical deduction. Guessing and trial-and-error are never required for any puzzle on this site.

If you are new to numbergrid puzzles, check out this Wikipedia page for helpful background information and many helpful solving tips. Then try a small 5x5 puzzle to get your feet wet.

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Why Register a Free Account?

You'll never have to register an account to play on this site, but there are several reasons you may want to play as a registered user:

If any or all of the above features sound good to you, click on the button below to register for a free account:

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Competition Timer
  • andromeda andromeda set a new record of 352 seconds on puzzle #41461
    October 9, 2025, 5:22 pm
  • turno77 turno77 set a new record of 154 seconds on puzzle #51289
    October 9, 2025, 4:52 pm
  • LUGAS LUGAS set a new record of 481 seconds on puzzle #43730
    October 9, 2025, 4:42 pm
  • apini17 apini17 set a new record of 407 seconds on puzzle #31982
    October 9, 2025, 10:08 am
  • Porenna Porenna set a new record of 356 seconds on puzzle #46358
    October 9, 2025, 9:51 am
  • Porenna Porenna set a new record of 377 seconds on puzzle #41206
    October 9, 2025, 9:45 am
September's Winners