Killer Sudoku
Released Dec 2020
In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles.
88% positive · 130 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $4.99
Can't confirm — worth a look
We couldn't confirm these stores carry this game.
Green Man Gaming Steam key Search IndieGala Steam key Search Prices in USD, as listed by each store.
Buying through an affiliate store helps support the site
Evaluation
Killer Sudoku launched on December 14, 2020 with 40 puzzles, and the store description explicitly promised 100 puzzles total to be delivered through regular updates in the first year post-launch. The developer fulfilled this commitment in two stages: a June 2021 update added 20 new puzzles, and an April 5, 2022 update added 40 more puzzles (plus 15 bonus beginner puzzles), bringing the total beyond 100. The April 2022 post explicitly states "All 100(+) puzzles are out now, thank you for playing Killer Sudoku!" — a clear signal that the promised content has been fully delivered. There have been no further updates or announcements since April 5, 2022, and no additional content has been hinted at or promised. The game launched as a finite puzzle collection with a defined content goal, and that goal has been met.
Evidence
April 2022 update added 40 new puzzles and 15 bonus beginner puzzles, with the developer announcing 'All 100(+) puzzles are out now, thank you for playing Killer Sudoku!' — explicitly marking the content goal as complete.
June 2021 update added 20 new puzzles, part of the rolling content delivery toward the promised 100-puzzle total.
Media
Details
Developer
Publisher
Studio Goya
Achievements
—
Platform
Windows, macOS
Controller
—
Steam Deck
Playable
Players
Single-player
About this game
Presented by Cracking The Cryptic, YouTube’s most popular Sudoku channel, comes a new game based on our most requested variant: Killer Sudoku.
In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles. The puzzles in Killer Sudoku are created by Simon and Mark as well as a large number of guest creators. Fans of Cracking the Cryptic's YouTube channel will recognize many of these authors as some of the most talented creators working today!
As with our other games (‘Classic Sudoku’, ‘Sandwich Sudoku’, ‘Chess Sudoku’, 'Thermo Sudoku' and 'Miracle Sudoku'), Simon Anthony and Mark Goodliffe (the hosts of Cracking The Cryptic) have written all the hints for the puzzles. So you know that every puzzle has been play-tested by a human being to ensure that each 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 viewers to be better solvers and, in these 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:
In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles. The puzzles in Killer Sudoku are created by Simon and Mark as well as a large number of guest creators. Fans of Cracking the Cryptic's YouTube channel will recognize many of these authors as some of the most talented creators working today!
As with our other games (‘Classic Sudoku’, ‘Sandwich Sudoku’, ‘Chess Sudoku’, 'Thermo Sudoku' and 'Miracle Sudoku'), Simon Anthony and Mark Goodliffe (the hosts of Cracking The Cryptic) have written all the hints for the puzzles. So you know that every puzzle has been play-tested by a human being to ensure that each 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 viewers to be better solvers and, in these 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:
- 40 beautiful puzzles on launch
- 100 puzzles in all with regular updates to reach this total in the first year post launch.
- Hints crafted by Simon and Mark!
Are these done yet?
Last evaluated Jun 24, 2026
Something about this evaluation looks wrong Report illegal or harmful content