Crowns
Test your spatial reasoning and pattern recognition skills in this Sudoku-style crown placement puzzle!
Free logic puzzles · No signup
Logic puzzles, beautifully made.
Play 33+ hand-crafted puzzles in your browser: Crowns, Sudoku, Nonograms, Calcudoku and more. Every one is solvable by pure logic, with no guessing.
- 33+ puzzle types
- 200K+ app downloads
- 4.8★ Crowns on the App Store
Featured
Popular puzzles
Daily Logic Puzzles
A fresh set of bite-sized logic puzzles to keep your brain sharp. Come back daily for a new challenge!
Binary Sudoku+
A challenging puzzle game where you create perfect symmetry by placing tiles strategically on the board. Test your spatial reasoning and pattern recognition skills!
Sudoku
The classic number puzzle. Fill the 9x9 grid so that each column, each row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9.
Nonograms
Reveal hidden pictures by filling cells using row and column number clues. Also known as picture logic or paint-by-number logic puzzles.
Calcudoku
Combine arithmetic with logic in this math puzzle. Fill the grid so each row and column contains every number, while satisfying cage constraints.
Mine Finder
A no-guess mine-finding logic puzzle! Use number clues to deduce where mines are hidden and clear the board without detonating any.
Aquarium
Fill the aquariums with the right amount of water in this unique logic puzzle. Use the numbers as clues to determine the water levels in each container.
Tent Logic
Place tents next to trees on the grid using row and column clues. Each tree gets exactly one tent, and no two tents touch - even diagonally!
Logic Grid Puzzles
Classic zebra-puzzle riddles! Use clues to figure out which items match across multiple categories using an elimination grid.
Cryptograms
Decode famous quotes by cracking the substitution cipher. Each letter stands for another - figure out the pattern to reveal the hidden message!
Word Wheel
Find as many words as you can in 60 seconds! Swipe across letters on the wheel to build words.
More puzzles to explore
Color Flood: Logic Puzzle
Dotstream
Solitaire Pro Collection
Color Links
Word Ladder
Nurikabe
Fleet
Light Up
Futoshiki
Galaxies
Kurodoku
Mosaic
Pipes
Renzoku
Slant
Yin-Yang
Skyscrapers
Thermometers
Dominosa
NoriNori
LITSWhy LogicPuzzles.ca
What makes our puzzles different
LogicPuzzles.ca focuses on clarity, fairness, and satisfying “aha” moments. Every puzzle is designed to be solvable using pure logic - no guessing, no tricks.
Hand-Crafted Logic
Each puzzle goes through multiple design passes so the rules stay clean and the deductions feel earned.
Unique Solutions
We validate puzzles to ensure a single, consistent solution whenever the rules say there should be one.
Mobile-Ready Play
Touch-friendly grids, fast loading, and clean UI make the web experience as smooth as the apps.
How we build a great puzzle
Design the core rule
We start with a simple rule set and test for clear deductions, then build puzzle templates around it.
Balance difficulty
We calibrate early levels for easy onboarding and ramp up to expert challenges with layered logic.
Verify & polish
Puzzles are checked for unique solutions, visual clarity, and snappy performance before release.
Skill levels for every solver
New to logic puzzles? Start with bite-sized daily challenges. Ready for deeper deductions? Dive into Crowns, Aquarium, or Binary Sudoku+ for expert-level reasoning. Each game includes a variety of grid sizes and difficulty settings so you can grow at your own pace.
Trusted by puzzle fans
Loved on the App Store and Google Play
Logic Puzzles games have been downloaded over 200,000 times, and Crowns holds a 4.8-star average on the App Store. Thousands of puzzles and years of design feedback power the same polished gameplay you can now enjoy in the browser.
200K+
App downloads
4.8 ★
Crowns App Store rating
33+
Free puzzle types
“This game is a lot of fun if you enjoy this style of puzzle. It's an easy game to pick up and play for 5 minutes and walk away from, or you can get caught up in it and spend hours playing levels.”
“I absolutely love Crowns! It’s the perfect mix of logic and strategy, keeping my mind engaged while being incredibly fun to play.”
“This game is super fun and well made. Love the conveniences like auto-place x and swipe to mark. I find myself bouncing between game modes, which keeps the game feeling fresh.”
Our apps
Play on web or mobile
Prefer the app experience? Our flagship puzzles are free on iPhone, iPad and Android, with offline play, daily puzzles, hints and streaks.
About this site
Welcome to LogicPuzzles.ca
Dive into our collection of engaging puzzle games designed to challenge your mind and provide hours of entertainment. Each game offers a unique experience, from spatial reasoning to pattern recognition, all optimized for both desktop and mobile play.
Our games are crafted with care, featuring intuitive controls and progressive difficulty levels to keep you engaged and challenged. Whether you're a casual player or a puzzle enthusiast, there's something here for everyone.
Ask a question →Frequently asked questions
Are the puzzles free to play?
Yes. All web puzzles are free, and you can unlock extra features on mobile if you want to support the games.
Do puzzles repeat?
No. Our daily puzzles rotate and our larger collections are built to give you thousands of unique boards.
Is this the same content as the apps?
The web experience mirrors the apps, including the same game rules, polished UI, and difficulty tiers.