Chess Sudoku
by Cracking the Cryptic
Ratings
Age
4+
Category
Puzzle
Languages
English
Wed Aug 25 2021
15 new King Sudoku puzzles, all 100 puzzles are out now!
Chess Sudoku is an innovative puzzle game that blends the classic 9x9 Sudoku grid with the movement rules of chess. In addition to standard Sudoku rules, you must account for pieces' constraints: no two identical numbers can be a knight's move apart, or adjacent like a king. Featuring thousands of levels and multiple variants, it's the ultimate challenge for fans of brain-teasers and strategic logic.
Dinsun Expert Review
Our Expert Score
Chess Sudoku is a brilliant hybrid that will delight fans of both logic puzzles. It takes the standard 9x9 Sudoku grid and introduces the movement rules of chess pieces. For example, in 'Knight Sudoku,' no two identical numbers can be a knight's move away from each other. This single change completely transforms how you look at the board, adding a layer of spatial awareness to the usual numerical logic.
The app includes several variants—King, Queen, Knight, and Bishop—each offering a different strategic twist. The UI is minimalist and focused, ensuring that the puzzle is the center of attention. The hint system is well-designed, providing logic-based clues rather than just filling in a square. It’s a challenging, fresh take on Sudoku that breathes new life into the genre for veterans of the 9x9 grid.
Features
Four unique chess variants: Knight, King, Queen, and Bishop
Thousands of handcrafted logic puzzles
Clean, distraction-free interface
Intelligent hint system and error checking
Tips & Walkthrough
In Knight Sudoku, if you place a '5' in a square, scan all squares reachable by a knight's move from that position. You can immediately eliminate '5' from those possibilities, which often solves the puzzle much faster than standard row/column logic.
Gameplays
The Queen Sudoku variant is the most difficult, as it combines the constraints of both the Rook and the Bishop pieces. Start with King Sudoku to get used to the adjacent-square rules before tackling the harder piece logic.
Screenshot
Q&A
The King rule states that no two identical numbers can be adjacent to each other diagonally, horizontally, or vertically.
Ratings & Reviews
Such a good app!
Wed May 13 2020 TyG3This app is so much better than any other free sudoku app on the App Store. I was hesitant to buy it, but being a unique Chess variant sudoku and everything about the app being better, it’s definitely worth the money. Some of the best things about the app are the different ways to note blocks with different colors or writing the numbers in the corner or center. I do wish their were more colors to choose from for more complex notations, but that’s not a huge deal. No other sudoku app even compares to the functionality of this app! It’s very well designed, and I hope that, with proper feedback, the app will continue to evolve and improve!
Amazing App (and Amazing Channel)
Mon Jul 13 2020 Asteroidfor2020This app is amazing. The rules are interesting. The puzzles are engaging. The creators are awesome. I’ve got hours of fun out of this, and for $5, it’s easily worth it. If I had any feedback, it would be that I’d love more puzzles in the current categories, especially more difficult ones. I love the challenge of the most difficult puzzles of the app, but crave more. (though to be fair I have yet to finish the Queen Puzzles, so perhaps I shouldn’t complain).
Pretty nice.
Mon Mar 30 2020 jwadamsonMy critiques would be; The number buttons are too small. It is awful when it enters the wrong digit and shows red, feels bad. My phone certainly isn’t the smallest supported model even. Could easily double the size of them by using staggered rows. The entry modes weren’t really clear, and switching from notes to enter is awkward Can’t select non adjacent cells easily for pencil notes. (Without at least three other taps to select separate cells and then return to normal mode) The few hints used were pretty spot on. Generally helped me find where I forgot to clean a note that would have shown that I had the next step set up. That or naked cells sometimes can be tricky. It can be awkward to refer to a hint and the board at once. I think the hint text should probably overlay just the controls so you can see your board still (bonus points for some sort of indicators for the relevant hint cells). Honestly my biggest other wish was if all these variants were just IAP of a single app. I would pay the same, but they don’t seem that different that a single app couldn’t reasonably do it all.
Phenomenal App
Thu May 21 2020 Dr. StangeGreat interface, far better than free sudoku apps. And the hand set puzzles are quite nice. Really like the chess constraint as well. These would definitely be over my head if I hadn’t watched your channel a few times, but probably not too many beginners would pay 5 dollars for an app.
Chess soduku make less sense, queen moves especially
Sun Feb 26 2023 Chessfreak13576I am a chess player so I expected chess soduku to make sense. Queen move ones though clearly have some additional rule. It says no duplicates on the diagonals, but it’s only some diagonals and not the others. For instance in puzzle 2, the 1s x out all the spots in row 5. In puzzle 1, it starts with two fours across the long upper left to lower right diagonal. Huh?!
Great, but poor button optimization
Tue Mar 03 2020 FoamInatorCracking the Cryptic are one of the premiere puzzlers and these puzzles meet expectations. My one complaint is that button placement and size is not optimized based on how frequently you use them. The number buttons are the smallest and the farthest from the puzzle, meanwhile, buttons like delete are large and right next to the puzzle.
Great App
Sat Aug 15 2020 SomeNickname42This is a fantastic app. The puzzles are good, and train you to work your way up to the hardest ones. The variants add a tremendous amount of fun. There are three different types of puzzles, queen restriction, knight restriction, and king restriction. The solving interface is also fantastic. I highly recommend it, and I look forward to trying CTC’s other apps.
A must buy!
Sun Nov 22 2020 Bones2424I would highly recommend this app for anyone who has ever liked sudoku. Personally I was very into sudoku many years ago but admittedly got a tad bit bored of it. These puzzles offer a very fresh and interesting twist on classic sudoku puzzles that has rekindled my interest in sudoku.
