Puzzle 101 (Fillomino) [LITS]

This is a Fillomino LITS puzzle.

Puzzle 100 (Tapa) [Difference]

This is a Tapa [Difference] puzzle for TVC XX practice. (from IB:) Follow regular Tapa rules. Additionally, replace each clue with two nonzero digits which difference is equal to the clue.

Puzzle 99 (Oasis)

This is an Oasis puzzle.

From WPC Instruction Booklet: Shade some cells in the grid. Shaded cells cannot touch each other orthogonally. All unshaded cells must be orthogonally interconnected. Unshaded cells cannot form a 2x2 square. Cells with circles cannot be shaded. A number indicates how many other numbers or circles can be reached from that cell by passing only orthogonally through empty unshaded cells (it cannot pass a shaded cell nor a cell with a number / circle).

Puzzle 98 (Outside Kropki)

This is an Outside Kropki puzzle. This was US Team practice for the 2016 WPC.

From WPC Instruction Booklet: Fill in the whole grid with digits 1 to N (where N is the size of the grid) so that each row and column contains each digit exactly once. If there is a white dot between a pair of orthogonally adjacent cells, then the cells must contain numbers whose difference is exactly one. If there is a black dot between a pair of orthogonally adjacent cells, then the cells must contain numbers whose quotient is exactly two. There can be either a black dot or a white dot between 1 and 2. All dots from each row and column have been removed from the grid. They must appear in the corresponding row or column in the given order. There may be some gaps between the circles. All possible dots have been given.

Puzzle 97 (Tapa)

This is a Tapa puzzle. This type was created by Serkan Yürekli.

Puzzle 96 (Doppelblock)

This is a Doppelblock puzzle. 

Puzzle 95 (Domino Divide)

This is a Domino Divide puzzle. This was US Team practice for the 2016 WPC. 

From WPC Instruction Booklet: Divide the grid along the given lines into dominoes. Each domino is formed by two orthogonally adjacent cells. When there is a cross [x] between two dominoes, they must have different orientation. When there is a dot [o] between two dominoes, they must have the same orientation. Symbols cannot lie inside of a domino.

Puzzle 94 (Compass)

This is a Compass puzzle.

Rules

Puzzle 93 (Sentry Nurikabe)

This is a Nurikabe variation inspired by Anderson Wang's Sentry Fillomino.

Rules: Standard Nurikabe rules; also, no two regions of the same size can be in the same row or column.

Puzzle 92 (Masyu)

This is a Masyu puzzle.

Rules

Puzzle 91 (Tapa)

This is a Tapa puzzle. This type was created by Serkan Yürekli.

Rules

Puzzle 90 (Irregular Fillomino)

This is an Irregular Fillomino puzzle (a type at WPC 2016).

Rules (from WPC 2016 Instruction Booklet):

Divide the grid along the given lines into regions so that no two regions with the same area share an edge. Each given number must represent the area of the region it belongs to - counted in number of cells of that region, regardless of the sizes of those cells. A region may contain none, one, or more of the given numbers. 

Puzzle 89 (Slovak Sums)

This is a Slovak Sums puzzle.

Rules (from Puzzle Graffiti): Place digits from 1 to 4 in some blank cells so that each digit appears exactly once in each row and column.  Clue numbers indicate the sum of orthogonally adjacent digits. The number of circles under a clue number indicates the number of cells that should have a digit placed in them.

Puzzle 88 (Slovak Sums)

This is a Slovak Sums puzzle.

Rules (from Puzzle Graffiti): Place digits from 1 to 4 in some blank cells so that each digit appears exactly once in each row and column.  Clue numbers indicate the sum of orthogonally adjacent digits. The number of circles under a clue number indicates the number of cells that should have a digit placed in them.

Puzzle 87 (Fillomino)

This is a Fillomino puzzle.

Rules

Puzzle 86 (Nurikabe)

This is a Nurikabe puzzle.

Rules

Puzzle 85 (LITS)

This is a LITS puzzle.

Rules

Puzzle 84 (Product Cave)

This is a Product Cave puzzle.

Rules (from Grandmaster Puzzles): Variation of Cave rules. Each clue represents the product of the # of row cells visible (including the cell itself) with the # of column cells visible (including the cell itself).

Puzzle 83 (Mochikoro)

This is a Mochikoro puzzle.

Rules

Puzzle 82 (Fillomino)

This is a Fillomino puzzle.

Rules

Puzzle 81 (Tapa)

This is a Tapa puzzle. This type was created by Serkan Yürekli.

Rules

Puzzle 80 (Akari)

This is an Akari puzzle.

Rules

Puzzle 79 (Island Line Nurikabe)

This is a Nurikabe variation inspired by Palmer Mebane's Line Nurikabe.

Rules: Standard Nurikabe rules, except that there may not be four consecutive white cells in a row or column. (Equivalently, you can not overlay an I tetromino on any island cells.)

Puzzle 78 (Tapa)

This is a Tapa puzzle. This puzzle type was created by Serkan Yürekli. 

Rules

Puzzle 77 (Wittgenstein Briquet)

This is a Wittgenstein Briquet puzzle.

Rules

Puzzle 76 (Nurikabe Pairs)

This is a Nurikabe Pairs puzzle. This variation was created by Palmer Mebane.

Rules, with the change that every region of unfilled cells must contain exactly two numbers (instead of one) and have total size equal to the sum of the two numbers. (rules taken from Palmer Mebane's blog)

Puzzle 75 (Tapa)

This is a Tapa puzzle. This puzzle type was created by Serkan Yürekli. 

Rules

Puzzle 74 (Yajilin)

This is a Yajilin puzzle.

Rules

Puzzle 73 (Yajilin)

This is a Yajilin puzzle.

Rules

Puzzle 72 (Mochikoro)

This is a Mochikoro puzzle.

Rules

Puzzle 71 (Nurikabe)

This is a Nurikabe puzzle.

Rules

Puzzle 70 (Slitherlink)

This is a Slitherlink puzzle.

Rules

Puzzle 69 (Cave)

This is a Cave puzzle.

Rules

Puzzle 68 (Yajilin)

This is a Yajilin puzzle.

Rules

Puzzle 67 (Slitherlink)

This is a Slitherlink puzzle.

Rules

Puzzle 66 (Akari)

This is an Akari puzzle.

Rules

Puzzle 65 (Shape Fillomino)

This is a Shape Fillomino puzzle. This variation was created by Palmer Mebane.

Rules (from Grandmaster Puzzles): 

Standard Fillomino rules. Also, the shapes shown [next to] the grid must appear as polyominoes in the grid. Shapes may be rotated, but may not be reflected.

Bonus (Nurikabe)

Here are nine 6x6 Nurikabe puzzles. Enjoy!

Rules

PDF Format

Puzzle 64 (Herugolf)

This is a Herugolf puzzle.

Rules

Puzzle 63 (Herugolf)

This is a Herugolf puzzle.

Rules

Puzzle 62 (Statue Park)

This is a Statue Park puzzle. This puzzle type was created by Palmer Mebane.

Rules