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About This App
Presented by Cracking The Cryptic, YouTube’s most popular Sudoku channel, comes a new game that connects two of the world’s biggest mind games: Chess and Sudoku!
How does Chess Sudoku work? Well we’ve taken the classic sudoku game everyone knows and loves and created puzzles with chess-related twists! There are three different types of puzzles in the game: Knight Sudoku; King Sudoku and Queen Sudoku (coming after launch as a free update!).
In Knight Sudoku, in addition to the normal rules of sudoku (no repeated digit in a row/column/3x3 box) a digit must not appear a chess knight’s move away from itself. This simple extra restriction introduces lots of clever additional logic that makes the puzzle even more interesting!
King Sudoku and Queen Sudoku work the same way: ie it’s always normal sudoku but, in King Sudoku a digit must not be a single diagonal move away from itself; and, in Queen Sudoku, every 9 in the grid acts like a chess Queen and must not be in the same row/column/3x3 box OR diagonal of any other 9!
As with their other games (‘Classic Sudoku’ and ‘Sandwich Sudoku’), Simon Anthony and Mark Goodliffe (the hosts of Cracking The Cryptic) have personally crafted the hints for the puzzles. So you know that every puzzle has been play-tested by a human being to ensure that the sudoku is interesting and fun to solve.
In Cracking The Cryptic’s games, players start with zero stars and earn stars by solving puzzles. The more puzzles you solve, the more stars you earn and the more puzzles you get to play. Only the most dedicated (and cleverest) sudoku players will finish all the puzzles. Of course the difficulty is carefully calibrated to ensure lots of puzzles at every level (from easy through to extreme). Anyone familiar with their YouTube channel will know that Simon and Mark take pride in teaching to be better solvers and, with their games, they always craft the puzzles with the mindset of trying to help solvers improve their skills.
Mark and Simon have both represented the UK many times at the World Sudoku Championship and you can find more of their puzzles (and lots of others) on the internet’s biggest sudoku channel Cracking The Cryptic.
Features:
100 beautiful puzzles from the Knight, King and Queen variants
Hints crafted by Simon and Mark!
User Reviews
100 specially designed setups. They use different bits of logic that taught me new tricks to solving them. I'd say they took me an average of 30 minutes each. I appreciated the smart hints that take the pencil marks into account and led my thinking, not just gave me info I already had or hadn't gotten to, yet. I wish there were more queen puzzles and less king ones. I'm sure you could get a lot more puzzles for less money, but I consider it a payment for all the joy I get from their videos.
If you're not here for the hints, no worries, it's a great app. The hints often are completely incorrect. Hint #3 on puzzle 16 of chess sudoku says you can place a 7 in column 4, but there's 2 possibilities for 7 in the column, in the box, and in the row. I think this also skews the difficulty on puzzles with incorrect hints, usually making them far harder than their star rating as the puzzles WOULD be easy enough if they worked the way the hints suggest.
Solid interface but a bit cramped. For example, it's difficult to hit the color button you're aiming for -- at least with my Pixel 3a XL and my thumb. The puzzles are top notch but they get harder WAY too quickly IMO, and there aren't very many. I'd love to see all these apps integrated into a single app with purchasable packs. Also, some kind of tier system so novices can practice with the easier puzzles while the experts can jump straight to the harder ones.
19/03/21: When you solve a puzzle a 2nd time it only shows the best time,so you don't know if you solved once or more. For next update I suggest having all solve times to keep track of # of solves. 26/12/20: The game itself is great! The clues however are often not very helpful, as I find I took a completely different path which has not been considered... It would also be good to have both types of pencil marks, like you have on the computer app (something to think about for the next update!).
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