FREE-ONLINE-SUDOKU-KYOTO

Level 1

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Level 3

Level 4

Level 5

Level 6

Level 7

Level 8

Level 9

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Single Candidate

Hidden Singles

Pointing Pairs

Box Line

Naked Pairs Triples

Hidden Pairs Triple

Naked Quads

Hidden Quads

Strong Chains

Strong Chains from selected cell

clear

Log

Congratulations. Record your time.

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❶Each row must contain all of the numbers 1 through 9 and no two numbers in the same row of a Sudoku puzzle can be the same.

❷Each column must contain all of the numbers 1 through 9 and no two numbers in the same column of a Sudoku puzzle can be the same.

❸Each block must contain all of the numbers 1 through 9 and no two numbers in the same block of a Sudoku puzzle can be the same.

Select a cell from the 9x9 puzzle, and enter a number using the number keypad or the memo number keypad.

By double-clicking on a cell, you can keep entering the same number you chose on the keypad. You can erase a number by entering that same number.

**C:** Clear the cell

**UNDO:** Go back one move

**RESTART:** Reset the puzzle

**CHECK:** Tells you if you have made a mistake

**HINT:** Shows you the next move

**POSSIBLE CHOICES:** Automatically sets the possible choices.

**Lv.1-4:**Single Candidate, Hidden Singles, Naked Pairs Triples, Hidden Pairs Triple, Naked Quads, Hidden Quads, Pointing Pairs, Box Line

**Lv5:**Singles Chains, X-wing, Y-wing, XYZ-wing, SwordFish

**Lv6:**X-cycles, BUG, XY-chain, 3D Medusa, Jellyfish, Unique Rectangles

**Lv7:**SK Loops, Extended Unique Rectangles, Hidden Unique Rectangles, WXYZ-wing, Aligned Pair Exclusion

**Lv8:**Hidden Unique Rectangles, WXYZ-wing, Aligned Pair Exclusion, exocet, Grouped X-cycles, Empty Rectangles, Finned X-wing, Finned SwordFish

**Lv9:**Empty Rectangles, Finned X-wing, Finned SwordFish, AIC (Alternating Inference Chains), Sue-de-coq, Digit Forcing Chains, Nishio Forcing Chains, Cell Forcing Chains, Unit Forcing Chains