Do you know and love Sudoku, the number-placing logic puzzle? Can you breeze through easy puzzles in a matter of minutes, and zip through the harder puzzles, as well? Are you looking for harder and more complex puzzles to keep your attention and take your skill to the next level? Then Extreme Sudoku is the book for you. Inside, international Sudoku expert Carol Vorderman presents 175 tricky puzzles in the classic Sudoku style, and also introduces some fun and challenging new varieties such as Squiffy Sudoku, Sudoku 16, and Killer Sudoku.
Each new Sudoku game is even more involved and exciting than the last, but never fear! With Carol's easy-to-understand instructions and step-by-step explanations of each new puzzle format, you'll always succeed, even with the toughest Sudoku puzzles. Includes more than 300 puzzles.
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ONCE ALL OPTIONS HAVE BEEN WRITTEN
CLASSC SUDOku Puzzles
SQUIFFY SUDOKU RULES
KILLER SUDOKU RULES
kiLLER SUDOKU PUZZLES
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12 mins 12 minutes 15 Less 15 points 20 mins 20 minutes 35 mins 35 minutes 9 in column bottom band bottom right mini-grid cael classic combinations classic Sudoku co cºm co ob co uoſ co|N column 7 row column 9 column and mini-grid column or mini-grid cºm cºn coob coſ coſì cºu cºul cºw cw co cw|co delete options Fill grid Killer Sudoku Less than 12 lone number look at column mini mins 5 points missing numbers number 9 number options ob co OISSVTO op|co options for number pair of twins place number points 20-35 mins points over 35 puzzle quadruplets r|co row 9 ſå Score Score single options slicing and dicing slicing and slotting ſob ſon ſoo sum total ſuo three boxes triplets twinned boxes uoſ