# Category Archives: Instructions

## Tetroscope

Rules: Place the given tetrominoes in the grid using each of them exactly once. They can be rotated but not mirrored. Digits in the grid show the amount of occupied cells in the neighboring squares.  Tetrominoes cannot touch each other, … Okumaya devam et

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## Summon

Rules: Fill the grid digits from 1 to 3, so that each region includes all digits exactly once. Same digits cannot touch each other, even diagonally. Outside clues show the sum of all numbers in the corresponding direction. Numbers should … Okumaya devam et

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## Hex Masyu

Rules: Find a single closed loop passing through each of the black and white circles. The path connects the centers of adjacent cells, and can only make turns of 120°. When passing through a black circle, the path must turn … Okumaya devam et

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## Masyu Rundweg

Rules: Draw a loop into diagram following the gridlines, which does not touch or cross itself. A digit in a cell indicate the amount of its edges used by loop.The circles in the diagram follow the Masyu-rules: The path must … Okumaya devam et

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## Different Neighbours

Rules: Fill the grid with digits from 1 to 4. Same digits cannot touch each other, not even diagonally. Background: This one was invented by Vladimir Portugalov. He introduced so many new and challenging puzzle types to puzzle culture so … Okumaya devam et

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## Japanese Sums and Battleships

Rules: Fill the grid with digits from 1 to n (1-6 for the example) so that no digit is repeated within a row or column. Numbers outside the grid indicate the sums of the digits in the corresponding directions, in … Okumaya devam et

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## Sigma Snake

Rules: Draw a snake of letters in the grid, whose head and tail are given in circles and that doesn’t touch itself, not even diagonally. Avoid grey cells with numbers. The snake must be formed only of the worded form … Okumaya devam et

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