Killer Sudoku

In Killer Sudoku, every puzzle features cages that give you the sum of the numbers inside. This extra information allows for unique and challenging logic that you will improve upon as you progress through our handcrafted puzzles. These puzzles are created by Simon and Mark, as well as other talented guest creators, many of whom are recognized from the popular YouTube channel, Cracking the Cryptic.

Similar to their other games, such as Classic Sudoku and Sandwich Sudoku, Simon and Mark have personally written all the hints for the puzzles in Killer Sudoku. This ensures that each puzzle has been play-tested by a human and is both interesting and enjoyable to solve.

In Cracking the Cryptic's games, players start with zero stars and earn stars by successfully solving puzzles. The more puzzles you solve, the more stars you earn, and the more puzzles you unlock. Only the most dedicated and skilled sudoku players will be able to complete all the puzzles. The difficulty of the puzzles is carefully calibrated to provide a range of challenges, from easy to extreme. As seen on their channel, Simon and Mark take pride in teaching viewers to become better solvers, and this mindset is reflected in the puzzles they create for their games.

Both Mark and Simon have represented the UK multiple times at the World Sudoku Championship, and you can find more of their puzzles, as well as others, on the popular sudoku channel, Cracking the Cryptic. With 100 beautiful puzzles and 15 bonus beginner puzzles, Killer Sudoku offers a variety of challenges for players of all levels. So why not give it a try and see if you have what it takes to become a sudoku master?