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Classic sudoku
rules
Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns, 3x3 box.Today's puzzle: Renban Sudoku
rules
Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns, 3x3 box. Each marked region contains a set of consecutive digits (e.g. 12345).- 01.05.2012 - Jigsaw sudoku
- 02.05.2012 - Diagonal sudoku
- 03.05.2012 - Windoku
- 04.05.2012 - Jigsaw sudoku
- 05.05.2012 - Diagonal sudoku
- 06.05.2012 - Windoku
- 07.05.2012 - Greater Than
- 08.05.2012 - Consecutive sudoku
- 09.05.2012 - Greater Than
- 10.05.2012 - Consecutive sudoku
- 11.05.2012 - Diagonal and Windoku
- 12.05.2012 - Irregular and Consecutive
- 13.05.2012 - Diagonal sudoku
- 14.05.2012 - Diagonal and Greater Than
- 15.05.2012 - Consecutive sudoku
- 16.05.2012 - Windoku
- 17.05.2012 - Jigsaw sudoku
- 18.05.2012 - Greater Than
- 19.05.2012 - Diagonal and Windoku
- 20.05.2012 - Irregular and Consecutive
- 21.05.2012 - Diagonal sudoku
- 22.05.2012 - Windoku
- 23.05.2012 - Even sudoku
- 24.05.2012 - Diagonal sudoku
- 25.05.2012 - Jigsaw sudoku
- 26.05.2012 - Diagonal Odd Sudoku
- 27.05.2012 - Non-consecutive sudoku
- 28.05.2012 - Skyscrapers
- 29.05.2012 - Diagonal sudoku
- 30.05.2012 - Odd sudoku
- 31.05.2012 - Quadruple
- 01.06.2012 - Diagonal Even
- 02.06.2012 - Jigsaw sudoku
- 03.06.2012 - Windoku
- 04.06.2012 - Five Pair Sudoku
- 05.06.2012 - Magic Summer Sudoku
- 06.06.2012 - Gappy Consecutive Sudoku
- 07.06.2012 - Alternative Sudoku
- 08.06.2012 - Arrow Sudoku
- 09.06.2012 - Quadruple
- 10.06.2012 - Diagonal sudoku
- 11.06.2012 - Twin Detector Sudoku
- 12.06.2012 - Odd sudoku
- 13.06.2012 - Kropki
- 14.06.2012 - Thermo-sudoku
- 15.06.2012 - Diagonal sudoku
- 16.06.2012 - Even sudoku
- 17.06.2012 - Mathdoku
- 18.06.2012 - Skyscrapers
- 19.06.2012 - Even sudoku
- 20.06.2012 - Diagonal Sudoku
- 21.06.2012 - Consecutive sudoku
- 22.06.2012 - Jigsaw sudoku
- 23.06.2012 - Sum Sudoku
- 24.06.2012 - Non-consecutive sudoku
- 25.06.2012 - Diagonal sudoku
- 26.06.2012 - Windoku
- 27.06.2012 - Consecutive sudoku
- 28.06.2012 - Greater Than
- 29.06.2012 - Jigsaw sudoku
- 30.06.2012 - Odd sudoku
- 01.07.2012 - Sudoku extraregions
- 02.07.2012 - Diagonal even
- 03.07.2012 - Mathdoku
- 04.07.2012 - Kropki
- 05.07.2012 - Sudoku extraregions
- 06.07.2012 - Jigsaw sudoku
- 07.07.2012 - Greater Than
- 08.07.2012 - Diagonal sudoku
- 09.07.2012 - Quadruple
- 10.07.2012 - Odd sudoku
- 11.07.2012 - Diagonal and Windoku
- 12.07.2012 - Skyscrapers
- 13.07.2012 - Non-consecutive sudoku
- 14.07.2012 - Diagonal sudoku
- 15.07.2012 - Jigsaw sudoku
- 16.07.2012 - The greater
- 17.07.2012 - Antiknight (to fullfill jzverina's wish)
- 18.07.2012 - Even sudoku
- 19.07.2012 - Diagonal sudoku
- 20.07.2012 - Consecutive sudoku
- 21.07.2012 - Jigsaw sudoku
- 22.07.2012 - Outside sums
- 23.07.2012 - Thermo-sudoku (the competition variant was prepared by player KrtekHonza)
- 24.07.2012 - Odd sudoku
- 25.07.2012 - Non-consecutive sudoku
- 26.07.2012 - Mathdoku (to fullfill Ziti's wish)
- 27.07.2012 - Diagonal sudoku
- 28.07.2012 - Greater Than
- 29.07.2012 - Little killer
- 30.07.2012 - Arrow Sudoku (the competition variant was prepared by player KrtekHonza)
- 31.07.2012 - Diagonal sudoku
- 01.08.2012 - Jigsaw sudoku
- 02.08.2012 - Kropki
- 03.08.2012 - Thermo-sudoku (the competition variant was prepared by player KrtekHonza)
- 04.08.2012 - Even sudoku
- 05.08.2012 - Skyscrapers
- 06.08.2012 - Diagonal sudoku
- 07.08.2012 - Little killer (the competition variant was prepared by player KrtekHonza)
- 08.08.2012 - Antiknight
- 09.08.2012 - Odd sudoku
- 10.08.2012 - Arrow Sudoku (the competition variant was prepared by player KrtekHonza)
- 11.08.2012 - Windoku
- 12.08.2012 - Non-consecutive sudoku
- 13.08.2012 - Diagonal sudoku
- 14.08.2012 - Antiknight
- 15.08.2012 - Killer sudoku
- 16.08.2012 - Untouchable
- 17.08.2012 - Even sudoku
- 18.08.2012 - Antidiagonal sudoku
- 19.08.2012 - Little killer (the competition variant was prepared by player KrtekHonza)
- 20.08.2012 - Sudoku extraregions
- 21.08.2012 - Diagonal sudoku
- 22.08.2012 - More-Less sudoku (to fullfill sudophile's wish)
- 23.08.2012 - Greater Than
- 24.08.2012 - Odd sudoku
- 25.08.2012 - Killer sudoku
- 26.08.2012 - Consecutive sudoku
- 27.08.2012 - Jigsaw sudoku
- 28.08.2012 - Diagonal sudoku
- 29.08.2012 - Quadruple
- 30.08.2012 - Twin Detector Sudoku
- 31.08.2012 - Thermo-sudoku (the competition variant was prepared by player KrtekHonza)
- 01.09.2012 - Even sudoku
- 02.09.2012 - Outside sums
- 03.09.2012 - Killer sudoku
- 04.09.2012 - Jigsaw sudoku
- 05.09.2012 - Kropki
- 06.09.2012 - Diagonal sudoku
- 07.09.2012 - Windoku
- 08.09.2012 - Odd sudoku
- 09.09.2012 - No four in a grow Sudoku
- 10.09.2012 - Sudoku extraregions
- 11.09.2012 - Arrow Sudoku (the competition variant was prepared by player KrtekHonza)
- 12.09.2012 - Greater Than
- 13.09.2012 - Diagonal sudoku
- 14.09.2012 - Windoku
- 15.09.2012 - Non-consecutive sudoku
- 16.09.2012 - Even sudoku
- 17.09.2012 - Renban sudoku (the competition variant was prepared by player jzverina)
- 18.09.2012 - Jigsaw sudoku
- 19.09.2012 - Diagonal sudoku
- 20.09.2012 - No three in row consecutive sudoku (the competition variant was prepared by player jzverina)
- 21.09.2012 - Quadruple
- 22.09.2012 - Odd sudoku
- 23.09.2012 - Antiknight
- 24.09.2012 - Little killer (the competition variant was prepared by player KrtekHonza)
- 25.09.2012 - Diagonal sudoku
- 26.09.2012 - Skyscrapers
- 27.09.2012 - Twin Detector Sudoku
- 28.09.2012 - Sum sudoku
- 29.09.2012 - Even sudoku
- 30.09.2012 - Sudoku extraregions
- 01.10.2012 - Jigsaw sudoku
- 02.10.2012 - Diagonal sudoku
- 03.10.2012 - Five Pair Sudoku
- 04.10.2012 - Killer sudoku
- 05.10.2012 - Alternative Sudoku
- 06.10.2012 - Odd sudoku
- 07.10.2012 - Antidiagonal sudoku
- 08.10.2012 - Untouchable
- 09.10.2012 - Diagonal sudoku
- 10.10.2012 - Palindrome sudoku (to fullfill sudophile's wish)
- 11.10.2012 - Antiknight
- 12.10.2012 - XV sudoku (to fullfill MrLiang's wish)
- 13.10.2012 - Even sudoku
- 14.10.2012 - Greater Than Killer (to fullfill squick's wish)
- 15.10.2012 - Diagonal and Windoku
- 16.10.2012 - Consecutive Sudoku
- 17.10.2012 - Diagonal Sudoku
- 18.10.2012 - Jigsaw Sudoku
- 19.10.2012 - No Four in a Grow Sudoku
- 20.10.2012 - Diagonal Odd Sudoku
- 21.10.2012 - Mathdoku (to fullfill Ziti's wish)
- 22.10.2012 - Disjoint Groups
- 23.10.2012 - Diagonal Sudoku
- 24.10.2012 - Symmetric Unequal
- 25.10.2012 - Queens
- 26.10.2012 - Touchy
- 27.10.2012 - Sudoku Extraregions
- 28.10.2012 - Trio Sudoku (to fullfill dp_94's wish)
- 29.10.2012 - Little Killer
- 30.10.2012 - Diagonal Sudoku
- 31.10.2012 - Non-consecutive Sudoku
- 01.11.2012 - Sequences Sudoku (the competition variant was prepared by player MrLiang)
- 02.11.2012 - Quadruple
- 03.11.2012 - Greater Than
- 04.11.2012 - Odd Sudoku
- 05.11.2012 - Group Sum Sudoku (the competition variant was prepared by player MrLiang)
- 06.11.2012 - Diagonal Sudoku
- 07.11.2012 - Jigsaw Sudoku
- 08.11.2012 - Windoku
- 09.11.2012 - Pandigital sudoku (the competition variant was prepared by player MrLiang)
- 10.11.2012 - Kropki
- 11.11.2012 - Even Sudoku
- 12.11.2012 - Untouchable
- 13.11.2012 - Diagonal Sudoku
- 14.11.2012 - Queens
- 15.11.2012 - Consecutive sudoku (the competition variant was prepared by player MrLiang)
- 16.11.2012 - Antiknight
- 17.11.2012 - XV Sudoku
- 18.11.2012 - Odd Sudoku
- 19.11.2012 - Disjoint Groups
- 20.11.2012 - Diagonal Sudoku
- 21.11.2012 - Twin Detector Sudoku
- 22.11.2012 - Outside Sums
- 23.11.2012 - Kropki (the competition variant was prepared by player MrLiang)
- 24.11.2012 - Symmetric Unequal
- 25.11.2012 - Even Sudoku
- 26.11.2012 - Greater Than
- 27.11.2012 - Diagonal Sudoku
- 28.11.2012 - Killer Sudoku
- 29.11.2012 - Jigsaw Sudoku
- 30.11.2012 - Antidiagonal Sudoku
- 01.12.2012 - Sudoku Extraregions
- 02.12.2012 - Odd Sudoku
- 03.12.2012 - Skyscrapers
- 04.12.2012 - Diagonal Sudoku
- 05.12.2012 - Fortress Sudoku
- 06.12.2012 - Little Killer
- 07.12.2012 - Non-consecutive Sudoku
- 08.12.2012 - Thermo-sudoku
- 09.12.2012 - Prime Sudoku (the competition variant was prepared by player MrLiang)
- 10.12.2012 - Diagonal Sudoku
- 11.12.2012 - Diagonal Sudoku
- 12.12.2012 - Consecutive Sudoku
- 13.12.2012 - No Four in a Grow Sudoku
- 14.12.2012 - Sum Sudoku
- 15.12.2012 - Trio Sudoku (to fullfill jaku111's wish)
- 16.12.2012 - Alternative Sudoku
- 17.12.2012 - Antiknight
- 18.12.2012 - Diagonal Sudoku
- 19.12.2012 - Mathdoku
- 20.12.2012 - Kropki
- 21.12.2012 - Fortress Sudoku
- 22.12.2012 - Greater Than
- 23.12.2012 - Group Sum Sudoku (to fullfill jaku111's wish)
- 24.12.2012 - Jigsaw Sudoku
- 25.12.2012 - Snowflake (the competition variant was prepared by player MrLiang)
- 26.12.2012 - Killer Sudoku (to fullfill moon58's wish)
- 27.12.2012 - Greater Than (to fullfill Čert's wish)
- 28.12.2012 - Quadruple
- 29.12.2012 - Gappy Consecutive Sudoku
- 30.12.2012 - 3-Cyclic (the competition variant was prepared by player MrLiang)
- 31.12.2012 - Diagonal Sudoku
- 01.01.2013 - Renban Sudoku (the competition variant was prepared by player jzverina)
- 02.01.2013 - Windoku
- 03.01.2013 - The Greater
- 04.01.2013 - Jigsaw Sudoku
- 05.01.2013 - Three Different (the competition variant was prepared by player jzverina)
- 06.01.2013 - Diagonal Even Sudoku
- 07.01.2013 - Little Killer (the competition variant was prepared by player jzverina)
- 08.01.2013 - Diagonal Sudoku
- 09.01.2013 - Antiknight
- 10.01.2013 - No three in row consecutive sudoku (the competition variant was prepared by player jzverina)
- 11.01.2013 - Disjoint groups
- 12.01.2013 - Sudoku Extraregions
- 13.01.2013 - Odd Sudoku
- 14.01.2013 - Killer Sudoku (practice on SC9)
- 15.01.2013 - Diagonal Sudoku
- 16.01.2013 - XV Sudoku (practice on SC9)
- 17.01.2013 - Notwo Sudoku (practice on SC9)
- 18.01.2013 - Twin Detector Sudoku (practice on SC9)
- 19.01.2013 - Kropki (to fullfill jaku111's wish)
- 20.01.2013 - Even Sudoku
- 21.01.2013 - Mathdoku (practice on SC9)
- 22.01.2013 - The Greater (practice on SC9)
- 23.01.2013 - Quadruple (practice on SC9)
- 24.01.2013 - Fortress Sudoku (practice on SC9)
- 25.01.2013 - Antiknight (practice on SC9)
- 26.01.2013 - Diagonal Sudoku
- 27.01.2013 - Odd Sudoku
- 28.01.2013 - Sudoku Extraregions
- 29.01.2013 - Diagonal Sudoku
- 30.01.2013 - Difference Sudoku (the competition variant was prepared by player jzverina)
- 31.01.2013 - Consecutive Sudoku (the competition variant was prepared by player jzverina)
- 01.02.2013 - Sum Sudoku
- 02.02.2013 - Skyscrapers
- 03.02.2013 - Even Sudoku
- 04.02.2013 - Renban Groups (practice on LMI WPF Sudoku GP)
- 05.02.2013 - Coded Pair (practice on LMI WPF Sudoku GP)
- 06.02.2013 - Repeated Neighbours (practice on LMI WPF Sudoku GP)
- 07.02.2013 - Thermo-sudoku (practice on LMI WPF Sudoku GP)
- 08.02.2013 - Odd Even Frame (practice on LMI WPF Sudoku GP)
- 09.02.2013 - Disjoint Groups (practice on LMI WPF Sudoku GP)
- 10.02.2013 - Diagonal Sudoku (practice on LMI WPF Sudoku GP)
- 11.02.2013 - Odd Sudoku
- 12.02.2013 - Jigsaw Sudoku
- 13.02.2013 - Non-consecutive Sudoku
- 14.02.2013 - Order Sudoku (the competition variant was prepared by player jzverina)
- 15.02.2013 - Sudoku Extraregions
- 16.02.2013 - Outside Sums
- 17.02.2013 - Touchy
- 18.02.2013 - Between 1 and 9 (practice on DSM WPF Sudoku GP)
- 19.02.2013 - Equal Sudoku (practice on DSM WPF Sudoku GP)
- 20.02.2013 - Search Nine Sudoku (practice on DSM WPF Sudoku GP)
- 21.02.2013 - Arrow Sudoku (practice on DSM WPF Sudoku GP)
- 22.02.2013 - X-Sums Sudoku (practice on DSM WPF Sudoku GP)
- 23.02.2013 - Little Killer Killer Sudoku (practice on DSM WPF Sudoku GP)
- 24.02.2013 - Skyscrapers (practice on DSM WPF Sudoku GP)
- 25.02.2013 - Even Sudoku
- 26.02.2013 - Diagonal Sudoku
- 27.02.2013 - Consecutive Sudoku
- 28.02.2013 - Greater Than
- 01.03.2013 - Queens
- 02.03.2013 - Symmetric Unequal
- 03.03.2013 - Sudoku Extraregions
- 04.03.2013 - Diagonal Sudoku
- 05.03.2013 - Killer Sudoku
- 06.03.2013 - Arrow Sudoku
- 07.03.2013 - Diagonal and Windoku
- 08.03.2013 - Sum Skyscrapers (the competition variant was prepared by player jzverina)
- 09.03.2013 - Palindrome Sudoku
- 10.03.2013 - Odd Sudoku
- 11.03.2013 - Multiple Sudoku (the competition variant was prepared by player MrLiang)
- 12.03.2013 - Diagonal Sudoku
- 13.03.2013 - Zigzag Sudoku (the competition variant was prepared by player Mahyar)
- 14.03.2013 - Untouchable
- 15.03.2013 - Twin Detector Sudoku (to fullfill Black Tiger's wish)
- 16.03.2013 - Mathdoku
- 17.03.2013 - Diagonal Even Sudoku
- 18.03.2013 - Antiknight
- 19.03.2013 - Diagonal Sudoku
- 20.03.2013 - Jigsaw Sudoku
- 21.03.2013 - Quadruple
- 22.03.2013 - No Four in a Grow Sudoku
- 23.03.2013 - Five Pair Sudoku
- 24.03.2013 - Alternative Sudoku
- 25.03.2013 - Non-consecutive Sudoku
- 26.03.2013 - Diagonal Sudoku
- 27.03.2013 - Sum Sudoku
- 28.03.2013 - Fortress Sudoku
- 29.03.2013 - Little Killer
- 30.03.2013 - Kropki
- 31.03.2013 - Odd Sudoku
- 01.04.2013 - XV Sudoku
- 02.04.2013 - Diagonal Sudoku
- 03.04.2013 - Greater Than
- 04.04.2013 - Thermo-sudoku
- 05.04.2013 - Consecutive Sudoku
- 06.04.2013 - Diagonal Sudoku - Change!
- 07.04.2013 - Even Sudoku
- 08.04.2013 - Non-consecutive Sudoku
- 09.04.2013 - Diagonal Sudoku
- 10.04.2013 - Diagonal Skyscrapers (the competition variant was prepared by player jzverina)
- 11.04.2013 - The Greater
- 12.04.2013 - Killer Sudoku
- 13.04.2013 - Antidiagonal Sudoku
- 14.04.2013 - Sudoku Extraregions
- 15.04.2013 - Quadruple (practice on WPF Sudoku Grand Prix — Serbian Round)
- 16.04.2013 - Arrow Sudoku (practice on WPF Sudoku Grand Prix — Serbian Round)
- 17.04.2013 - Tennis Sudoku (practice on WPF Sudoku Grand Prix — Serbian Round)
- 18.04.2013 - Little Killer (practice on WPF Sudoku Grand Prix — Serbian Round)
- 19.04.2013 - Thermo-sudoku (practice on WPF Sudoku Grand Prix — Serbian Round)
- 20.04.2013 - Renban Groups (practice on WPF Sudoku Grand Prix — Serbian Round)
- 21.04.2013 - Jigsaw Sudoku (practice on WPF Sudoku Grand Prix — Serbian Round)
- 22.04.2013 - Odd Sudoku
- 23.04.2013 - Diagonal Sudoku
- 24.04.2013 - Consecutive Sudoku
- 25.04.2013 - Antiknight
- 26.04.2013 - Greater Than
- 27.04.2013 - Windoku
- 28.04.2013 - Twin Detector Sudoku
- 29.04.2013 - Disjoint Groups
- 30.04.2013 - Diagonal Sudoku
- 01.05.2013 - Figure sudoku
- 02.05.2013 - Untouchable
- 03.05.2013 - Skyscrapers
- 04.05.2013 - Even Sudoku
- 05.05.2013 - Notwo Sudoku
- 06.05.2013 - XV Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 07.05.2013 - Diagonal Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 08.05.2013 - Thermo Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 09.05.2013 - Deficit Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 10.05.2013 - Killer Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 11.05.2013 - Surplus Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 12.05.2013 - Palindrome Sudoku (practice on WPF Sudoku Grand Prix — UK Sudoku Championship)
- 13.04.2013 - Diagonal Sudoku
- 14.04.2013 - Jigsaw Sudoku
- 15.05.2013 - Non-consecutive Sudoku
- 16.05.2013 - Odd Sudoku
- 17.05.2013 - Outside Sums
- 18.05.2013 - Mathdoku
- 19.05.2013 - Queens
- 20.05.2013 - Consecutive Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 21.05.2013 - Arrow Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 22.05.2013 - Thermo Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 23.05.2013 - Dynasty Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 24.05.2013 - Property Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 25.05.2013 - Jigsaw Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 26.05.2013 - Killer Sudoku (practice on WPF Sudoku Grand Prix — U.S. Sudoku Team Qualifying Test)
- 27.05.2013 - Sudoku Extraregions
- 28.05.2013 - Diagonal Sudoku
- 29.05.2013 - Windoku
- 30.05.2013 - Symmetric unequal
- 31.05.2013 - No Four in a Grow Sudoku
- 01.06.2013 - Odd Sudoku
- 02.06.2013 - Greater Than
- 03.06.2013 - Touchy
- 04.06.2013 - Diagonal Sudoku
- 05.06.2013 - Twin Detector Sudoku (to fullfill Black Tiger's wish)
- 06.06.2013 - Kropki
- 07.06.2013 - Alternative Sudoku
- 08.06.2013 - Even Sudoku
- 09.06.2013 - Fortress Sudoku (to fullfill Black Tiger's wish)
- 10.06.2013 - XV Sudoku (practice on NSC of Czech Republic)
- 11.06.2013 - Antiknight (practice on NSC of Czech Republic)
- 12.06.2013 - Worddoku (practice on NSC of Czech Republic)
- 13.06.2013 - Skyscrapers (practice on NSC of Czech Republic)
- 14.06.2013 - NEWS (practice on NSC of Czech Republic)
- 15.06.2013 - Odd Sudoku (practice on NSC of Czech Republic)
- 16.06.2013 - Diagonal Sudoku (practice on NSC of Czech Republic)
- 17.06.2013 - Even Sudoku
- 18.06.2013 - One Digit Unique Solution (practice on WPF Sudoku Grand Prix — Turkish Round)
- 19.06.2013 - Odd Tab (practice on WPF Sudoku Grand Prix — Turkish Round)
- 20.06.2013 - A or B (practice on WPF Sudoku Grand Prix — Turkish Round)
- 21.06.2013 - Antiknight
- 22.06.2013 - Notwo Sudoku
- 23.06.2013 - Diagonal Odd Sudoku
- 24.06.2013 - Jigsaw Sudoku (practice on WPF Sudoku Grand Prix — Italian Round)
- 25.06.2013 - Killer Sudoku (practice on WPF Sudoku Grand Prix — Italian Round)
- 26.06.2013 - Coast to Coast sudoku (practice on WPF Sudoku Grand Prix — Italian Round)
- 27.06.2013 - The Big Bang Theory Sudoku (practice on WPF Sudoku Grand Prix — Italian Round)
- 28.06.2013 - 1011 Sudoku (practice on WPF Sudoku Grand Prix — Italian Round)
- 29.06.2013 - Kropki (practice on WPF Sudoku Grand Prix — Italian Round)
- 30.06.2013 - Diagonal Sudoku
- 01.07.2013 - Sum Sudoku
- 02.07.2013 - Little Killer
- 03.07.2013 - Untouchable
- 04.07.2013 - Arrow Sudoku
- 05.07.2013 - Sudoku Extraregions
- 06.07.2013 - Antidiagonal Sudoku
- 07.07.2013 - Coded Pair
- 08.07.2013 - Diagonal Sudoku
- 09.07.2013 - Antiknight
- 10.07.2013 - Non-consecutive Sudoku
- 11.07.2013 - Killer Sudoku
- 12.07.2013 - No four in a grow Sudoku
- 13.07.2013 - Quadruple
- 14.07.2013 - Thermo Sudoku
- 15.07.2013 - Diagonal Sudoku
- 16.07.2013 - Kropki (the competition variant was prepared by player Black Tiger)
- 17.07.2013 - Non-consecutive Sudoku (to fullfill karzym's wish)
- 18.07.2013 - 4 as the Basic Operations (the competition variant was prepared by player Mahyar)
- 19.07.2013 - Bent Diagonal (to fullfill sudophile's wish)
- 20.07.2013 - Jigsaw Sudoku
- 21.07.2013 - Greater Than
- 22.07.2013 - Palindrome Sudoku (the competition variant was prepared by player Black Tiger)
- 23.07.2013 - Diagonal Sudoku
- 24.07.2013 - Classic & Jigsaw Sudoku (the competition variant was prepared by player Mahyar)
- 25.07.2013 - Windoku
- 26.07.2013 - Killer Sudoku (to fullfill karzym's wish)
- 27.07.2013 - Coast to Coast sudoku (to fullfill Black Tiger's wish)
- 28.07.2013 - Even Sudoku
- 29.07.2013 - Notwo Sudoku
- 30.07.2013 - Diagonal Sudoku
- 31.07.2013 - Odd Sudoku
- 01.08.2013 - Antiknight
- 02.08.2013 - XV Sudoku
- 03.08.2013 - Diagonal Sudoku
- 04.08.2013 - Even Sudoku
- 05.08.2013 - Windoku
- 06.08.2013 - Diagonal Sudoku
- 07.08.2013 - Sudoku Extraregions
- 08.08.2013 - Little Killer
- 09.08.2013 - Antidiagonal Sudoku (to fullfill karzym's wish)
- 10.08.2013 - Odd Sudoku
- 11.08.2013 - Consecutive Sudoku
- 12.08.2013 - Non-consecutive Sudoku
- 13.08.2013 - Diagonal Sudoku
- 14.08.2013 - Greater Than
- 15.08.2013 - Twin Detector Sudoku
- 16.08.2013 - Killer Sudoku
- 17.08.2013 - Even Sudoku
- 18.08.2013 - Outside Sums
- 19.08.2013 - Jigsaw Sudoku
- 20.08.2013 - Diagonal Sudoku
- 21.08.2013 - Quadruple
- 22.08.2013 - Sudoku Extraregions
- 23.08.2013 - Skyscrapers
- 24.08.2013 - Odd Sudoku
- 25.08.2013 - Fortress Sudoku
- 26.08.2013 - Non-consecutive Sudoku
- 27.08.2013 - Diagonal Sudoku
- 28.08.2013 - Even Sudoku
- 29.08.2013 - Little Killer
- 30.08.2013 - Diagonal Sudoku
- 31.08.2013 - Odd Sudoku
- 01.09.2013 - XV Sudoku
- 02.09.2013 - Diagonally Non-consecutive Sudoku
- 03.09.2013 - Diagonal Sudoku
- 04.09.2013 - Even Sudoku
- 05.09.2013 - Disjoint Groups
- 06.09.2013 - Thermo Sudoku (the competition variant was prepared by player KrtekHonza)
- 07.09.2013 - Odd Sudoku
- 08.09.2013 - Diagonal Sudoku
- 09.09.2013 - Diagonal Sudoku
- 10.09.2013 - Non-consecutive Sudoku
- 11.09.2013 - Alternative Sudoku
- 12.09.2013 - Mathdoku
- 13.09.2013 - No Four in a Grow Sudoku
- 14.09.2013 - Sudoku Pairs
- 15.09.2013 - Odd Lab
- 16.09.2013 - Antiknight (practice on SC10)
- 17.09.2013 - Disjoint Groups (practice on SC10)
- 18.09.2013 - Palindrome Sudoku (practice on SC10)
- 19.09.2013 - Killer Sudoku (practice on SC10)
- 20.09.2013 - Quadruple (practice on SC10)
- 21.09.2013 - Diagonal Sudoku
- 22.09.2013 - Even Sudoku
- 23.09.2013 - Diagonal Odd Sudoku
- 24.09.2013 - Diagonal Sudoku
- 25.09.2013 - Non-consecutive Sudoku
- 26.09.2013 - Jigsaw Sudoku
- 27.09.2013 - Pairs
- 28.09.2013 - Queens
- 29.09.2013 - Coded Pair
- 30.09.2013 - Diagonal Sudoku
- 01.10.2013 - Gappy Consecutive Sudoku (practice on WPF GP finals)
- 02.10.2013 - Point To Next (practice on WPF GP finals)
- 03.10.2013 - Arrow Sudoku (practice on WPF GP finals)
- 04.10.2013 - Tennis Sudoku (practice on WPF GP finals)
- 05.10.2013 - Sudoku Extraregions (practice on WPF GP finals)
- 06.10.2013 - Even/Odd Sudoku (practice on WPF GP finals)
- 07.10.2013 - Odd Lab (practice on WPF GP finals)
- 08.10.2013 - Coast to Coast sudoku (practice on WPF GP finals)
- 09.10.2013 - Diagonal Sudoku
- 10.10.2013 - Windoku
- 11.10.2013 - Outside Sums
- 12.10.2013 - Disjoint Groups
- 13.10.2013 - Odd Sudoku
- 14.10.2013 - Antiknight
- 15.10.2013 - Diagonal Sudoku
- 16.10.2013 - Twin Detector Sudoku
- 17.10.2013 - Jigsaw Sudoku
- 18.10.2013 - Top Heavy Sudoku (to fullfill sudophile's wish)
- 19.10.2013 - Untouchable
- 20.10.2013 - Even Sudoku
- 21.10.2013 - Diagonal Sudoku
- 22.10.2013 - Windoku
- 23.10.2013 - No Four in a Grow Sudoku
- 24.10.2013 - Killer Sudoku
- 25.10.2013 - Greater Than
- 26.10.2013 - Odd Sudoku
- 27.10.2013 - Fortress Sudoku
- 28.10.2013 - Non-consecutive Sudoku
- 29.10.2013 - Diagonal Sudoku
- 30.10.2013 - Disjoint Groups
- 31.10.2013 - X-Sums Sudoku
- 01.11.2013 - Classic & Jigsaw Sudoku
- 02.11.2013 - Sudoku Extraregions
- 03.11.2013 - Even Sudoku
- 04.11.2013 - Little Killer
- 05.11.2013 - Diagonal Sudoku
- 06.11.2013 - XV Sudoku
- 07.11.2013 - Untouchable
- 08.11.2013 - Outside Sums
- 09.11.2013 - Notwo Sudoku
- 10.11.2013 - Odd Sudoku
- 11.11.2013 - Jigsaw Sudoku
- 12.11.2013 - Diagonal Sudoku (the competition variant was prepared by player TiiT)
- 13.11.2013 - Even Sudoku
- 14.11.2013 - Killer Sudoku
- 15.11.2013 - Diagonal Sudoku
- 16.11.2013 - Non-consecutive Sudoku
- 17.11.2013 - Twin Detector Sudoku
- 18.11.2013 - Odd Sudoku
- 19.11.2013 - Diagonal Sudoku
- 20.11.2013 - Arrow Sudoku
- 21.11.2013 - Diagonal Sudoku
- 22.11.2013 - Odd Lab
- 23.11.2013 - Quadruple
- 24.11.2013 - Even Sudoku
- 25.11.2013 - Little Killer
- 26.11.2013 - Diagonal Sudoku
- 27.11.2013 - Antiknight
- 28.11.2013 - Windoku
- 29.11.2013 - Queens
- 30.11.2013 - Palindrome Sudoku
- 01.12.2013 - Odd Sudoku
