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or solve online (using our beta test of Penpa-Edit tools).

Theme: Unique Groups

Author/Opus: This is the 241st puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Variation of Pentopia rules: Place some of the given polyominoes in the grid so that no polyominoes are in adjacent cells that share an edge or corner. Polyominoes cannot repeat in the grid; rotations and reflections of a polyomino are considered the same shape. The arrow clues indicate all the directions (up, down, left, and right) where the nearest polyominoes are located when looking from that square, ignoring the clue cell itself. Polyominoes can sit on the clue cells.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 6:30, Master = 12:15, Expert = 24:30

Solution: PDF and solving video.

Note: Follow this link for more Pentopia puzzles and this link for other puzzles involving Pentominoes.

PDF

or solve online (using our beta test of Penpa-Edit tools).

Theme: Test Your Wits

Author/Opus: This is the 90th puzzle from our contributing puzzlemaster John Bulten.

Rules: Place the given pentominoes into the grid, rotations and reflections allowed, but without repeats of any shape. Pentominoes cannot cover the numbered cells, and different pentomino shapes cannot be placed in adjacent cells that share an edge or corner. Numbered cells indicate how many of the surrounding cells (including diagonally adjacent cells) contain parts of the pentominoes.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 4:15, Master = 6:15, Expert = 12:30

Solution: PDF and solving video.

Note: Follow this link for classic Minesweeper puzzles on this website and this link for variations on Minesweeper puzzles. If you are new to this puzzle type, here are our easiest Minesweeper Puzzles to get started on. More Minesweeper puzzles can be found in The Art of Puzzles 2.

PDF

or solve online (using our beta test of Penpa-Edit tools).

Theme: 11V

Author/Opus: This is the 6th puzzle from guest contributor Elyot Grant.

Rules: Shade some cells so that the numbers outside the grid indicate the groups of consecutive black cells which are in that row/column in order, either from left to right or from top to bottom. There must be at least one white cell between any consecutive shaded groups. Rows and columns without outside clues can have any pattern of shaded and unshaded cells. Also, all the shaded cells must be able to be split into the eleven given pentomino shapes. Pentominoes may be flipped and/or rotated.

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 3:15, Master = 4:45, Expert = 9:30

Solution: PDF and solving video.

Note: Follow this link for other less common Shading puzzles.

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Windows

Author/Opus: This is the 376th puzzle from our managing editor Serkan Yürekli.

Rules: Standard Statue Park rules. This puzzle uses five distinct pentominoes.

Difficulty: 1.5 stars

Time Standards (highlight to view): Grandmaster = 0:35, Master = 1:10, Expert = 2:20

Solution: PDF and solving video.

Note: Follow this link for other classic Statue Park and this link for Statue Park variations. If you are new to this puzzle type, here are our easiest Statue Parks to get started on. More Statue Park puzzles can be found in the ebook Statue Park by Murat Can Tonta.

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Antisymmetry

Author/Opus: This is the 15th puzzle from guest contributor Jonas Gleim.

Rules: Standard Statue Park rules. This puzzle uses a standard tetromino set.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:35, Master = 1:00, Expert = 2:00

Solution: PDF and solving video.

Note: Follow this link for other classic Statue Park and this link for Statue Park variations. If you are new to this puzzle type, here are our easiest Statue Parks to get started on. More Statue Park puzzles can be found in the ebook Statue Park by Murat Can Tonta.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between two ship / shape placement modes and a shading mode. In battleship placement mode, right click gives sea, left click gives circle/square, left click and drag for rounded ships.)

Theme: Squares

Author/Opus: This is the 23rd puzzle from our newest contributing puzzlemaster Takeya Saikachi.

Rules: Standard Battleships rules. Use the indicated fleet. Ships can be rotated and reflected.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 5:45, Master = 10:15, Expert = 20:30

Solution: PDF and solving video.

Note: Follow this link for classic Battleships and this link for Battleships variations. If you are new to this puzzle type, here are our easiest Battleships to get started on. More Battleships puzzles can be found in Battleships and Variations, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

PDF

or solve online (using our beta test of Penpa-Edit tools. Use left click to place 1 or 2 mines, right click (in cell) to mark unused, right click (on edge/corner) to mark a note; hitting tab will also enable a shading mode. If you want more solving options, turn off Penpa-Lite option.)

Theme: Step Wise

Author/Opus: This is the 89th puzzle from our contributing puzzlemaster John Bulten.

Rules: Variation of Minesweeper rules. Place either 0, 1, or 2 mines into each empty cell so that each number represents the total count of mines in neighboring cells, including diagonally adjacent cells.

Difficulty: 5 stars

Time Standards (highlight to view): Grandmaster = 16:00, Master = 25:00, Expert = 50:00

Solution: PDF and solving video.

Note: Follow this link for classic Minesweeper puzzles on this website and this link for variations on Minesweeper puzzles. If you are new to this puzzle type, here are our easiest Minesweeper Puzzles to get started on. More Minesweeper puzzles can be found in The Art of Puzzles 2.

PDF

or solve online (using our beta test of Penpa-Edit tools. Use left click to place mine, right click (in cell) to mark unused, right click (on edge/corner) to mark a note; hitting tab will also enable a shading mode. If you want more solving options, turn off Penpa-Lite option.)

Theme: Pinwheel

Author/Opus: This is the 13th puzzle from guest contributor Chris Green.

Rules: Standard Minesweeper rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:00, Master = 6:45, Expert = 13:30

Solution: PDF and solving video.

Note: Follow this link for classic Minesweeper puzzles on this website and this link for variations on Minesweeper puzzles. If you are new to this puzzle type, here are our easiest Minesweeper Puzzles to get started on. More Minesweeper puzzles can be found in The Art of Puzzles 2.

PDF

or solve online (using our beta test of Penpa-Edit tools. Use left click to place mine, right click (in cell) to mark unused, right click (on edge/corner) to mark a note; hitting tab will also enable a shading mode. If you want more solving options, turn off Penpa-Lite option.)

Theme: Protected by 3’s

Author/Opus: This is the 373rd puzzle from our managing editor Serkan Yürekli.

Rules: Standard Minesweeper rules. Also, each row, column, and bold region must contain exactly three mines.

Also, see this example:

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 4:15, Master = 6:00, Expert = 12:00

Solution: PDF and solving video.

Note: Follow this link for classic Minesweeper puzzles on this website and this link for variations on Minesweeper puzzles. If you are new to this puzzle type, here are our easiest Minesweeper Puzzles to get started on. More Minesweeper puzzles can be found in The Art of Puzzles 2.

PDF

or solve online (using our beta test of Penpa-Edit tools. Use left click to place mine, right click (in cell) to mark unused, right click (on edge/corner) to mark a note; hitting tab will also enable a shading mode. If you want more solving options, turn off Penpa-Lite option.)

Theme: 3-Ring Circus

Author/Opus: This is the 380th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Minesweeper rules.

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:30, Expert = 7:00

Solution: PDF and solving video.

Note: Follow this link for classic Minesweeper puzzles on this website and this link for variations on Minesweeper puzzles. If you are new to this puzzle type, here are our easiest Minesweeper Puzzles to get started on. More Minesweeper puzzles can be found in The Art of Puzzles 2.