Easy to use, clear to read, I was ecstatic. Upon loading it up, the game seemed everything I wanted. For only $1.99 I was willing to give it a shot. Most of the reviewers said it had a pretty good interface, better than the other sudoku apps out at the time. I looked through the reviews and found one that seemed to have an overall good review by the users: Satori Sudoku. Scouring the App Store uncovered dozens of Sudoku games for a range of prices, but none were free. If these practical reasons aren’t enough for you, Killer Sudoku is a fun time-killer too! Whether you’re waiting for plane boarding, stuck in a queue or just want to unplug from reality for a few minutes, Killer Sudoku should be your number puzzle of choice.Note: This is updated to reflect the App’s current version.Įver since I had my old Palm Treo 650, my first requirement when I had any handheld device was a game of Sudoku. Daily Killer Sudoku sessions are said to help you train your brain, improve memory, concentration and logical thinking. Solving Killer Sudoku online has a lot of benefits. This way, by applying the “45 rule” we filled two numbers on the empty grid and are off to a good start! Why you should play Killer Sudoku The sum of this cage is 14 and we can instantly fill in another cell – 14 - 5 = 9. By subtracting them from 45 we’ll get the value of the bottom-left cell: 45 - 15 - 9 - 9 - 7 = 5. We also see several cages in that column – 15, 9, 9 and 7. The sum of all numbers in the left column is equal to 45. By knowing this and subtracting the sums of cages we can reveal additional numbers. As we know from the rules, each block, row or column shall contain all numbers from 1 to 9, making it 45 in total. One of the best-kept secrets to solving Killer Sudoku is the so-called “45 rule”. Daily Killer Sudoku practice makes perfect and we have no doubts you’ll become a master in no time! The best Killer Sudoku tactic This way, the number puzzles are great for both beginners and advanced Sudoku solvers. This number puzzle comes with several difficulty levels – easy, medium, hard, and expert. Numbers cannot repeat within cages, a single row, column, or 3x3 region.Īlthough solving Killer Sudoku online seems a bit harder than classic sudoku, we made it accessible for players of all skill levels.
It’s also known by such names as sumdoku, addoku and sumoku puzzle but in a nutshell it’s pretty much the same number puzzle. Killer Sudoku is a fun twist on the classic sudoku for those of you seeking something new and challenging.