Puzzlumina
Free · No ads · No signup to start

Master
the grid.

Calm, ad-free Sudoku and Nonogram — uniquely generated, beautifully designed in light and dark. Sudoku and Nonogram today; Kakuro, KenKen, and more coming soon.

Play Sudoku freePlay Nonogram free

Play unlimited puzzles free — no signup needed. Create a free account to save your stats, build streaks, and unlock the toughest grids.

∞ uniquely generatedNo ads. Ever.Free to play
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Sizes

A size for every solver.

Warm up with a quick 4×4, master the classic 9×9, or conquer the formidable 16×16 for the truly obsessed.

Live
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4×4

Easy · Medium

Most popular
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9×9

Easy · Medium · Hard

Pro for Hard+
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16×16

Easy · Medium · Hard · Advanced

Start playing free →

Library

One home for every puzzle.

Sudoku and Nonogram are live now. More puzzle types are in development and appear here as they launch.

Live

Sudoku

The classic logic grid

Place digits so every row, column and box contains each number once.

4×49×916×16
Play Sudoku
Live

Nonogram

Paint by numbers

Fill cells from numeric clues to reveal a hidden picture. Also called Picross.

5×510×1015×1520×20
Play Nonogram
Soon

Kakuro

Cross-sum challenge

A crossword where every word is a sum. Logic meets arithmetic.

—
Soon

KenKen

Arithmetic cages

Fill the grid to satisfy caged arithmetic clues — lateral thinking required.

—

Features

Everything you need to play well.

Puzzlumina is built around the solver first — nothing in the way, every detail considered.

Infinite puzzles

Every game is uniquely generated. You will never play the same puzzle twice.

Smart hints

One hint at a time with a 5-minute cooldown. Unstick yourself without spoiling it.

Deep stats

Win rates, mistakes, completion times, and streaks across all sizes and types.

Print & export

Export any puzzle as a beautiful PDF. Solve offline, share with a friend.

Light & dark

A refined experience in both modes. Crisp at midnight, calm in the morning.

Instant checking

Wrong entries flash the moment you type them — visible, but never locked in.

Ready to play

Your first puzzle
is waiting.

Create your free account and start solving in under a minute. No credit card required.

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For creators & publishers

Need puzzles for a book, magazine, or classroom?

Puzzlumina Studio generates print-ready packs with a royalty-free commercial license — perfect for KDP self-publishing, newsletters, and worksheets.

Open Studio →