PDF

or solve online (using our beta test of Penpa-Edit tools. Use left click to place 1 mine and another click to place 2 mines, right click (in cell) to mark unused, right click (on edge/corner) to mark a note. If you want more solving options, turn off Penpa-Lite option; we recently updated the solver tools and you may need to do a hard refresh [Ctrl+F5 or Ctrl+Shift+R] or clear file cache to take advantage of the double mine feature.)

Theme: Wheel

Author/Opus: This is the 334th puzzle from our managing editor Serkan Yürekli.

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: 2.5 stars

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:15, Expert = 6:30

Solution: PDF; a solution video is also available here.

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. If you want more solving options, turn off Penpa-Lite option; we recently updated the solver tools and you may need to do a hard refresh [Ctrl+F5 or Ctrl+Shift+R] or clear file cache to take advantage of the new answer checker features.)

Theme: 1 to 5

Author/Opus: This is the 210th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Minesweeper rules.

Difficulty: 2.5 stars

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

Solution: PDF; a solution video is also available here.

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 tab to alternate between Surface = shading mode and a line drawing mode)

Theme: Mirror Cave

Author/Opus: This is the 386th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Cave rules.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:15, Expert = 8:30

Solution: PDF; a solution video is also available here.

Note: Follow this link for classic Caves and this link for Cave variations. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in Roger Barkan’s Colossal Cave Collection, 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 tab to alternate between Surface = shading mode and a line drawing mode)

Theme: All Threes

Author/Opus: This is the 27th puzzle from guest contributor Joseph Howard.

Rules: Standard Cave rules. (The puzzle is on a hexagonal grid and cells now see in a maximum of six possible directions.)

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:15, Expert = 6:30

Solution: PDF; a solution video is also available here.

Note: Follow this link for classic Caves and this link for Cave variations. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in Roger Barkan’s Colossal Cave Collection, 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)

Theme: Cosmos Redshift 7

Author/Opus: This is the 2nd puzzle from guest contributor Wei-Hwa Huang.

Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:00, Master = 5:15, Expert = 10:30

Solution: PDF; a solution video is also available here.

Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2.

PDF

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

Theme: Rectangles

Author/Opus: This is the 3rd puzzle from guest contributor R. Kumaresan.

Rules: Standard Sudoku rules.

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:45, Expert = 7:30

Solution: PDF; a solution video is also available here.

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

PDF

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

Theme: Inside Job

Author/Opus: This is the 1st puzzle from guest contributor Priyam Bhushan.

Rules: Standard Slitherlink rules. Also, numbers outside the grid show the number of separate loop segments visible in that direction. A segment of length N in a given direction is taken as a building of height N. Buildings of height N block the view of all buildings behind them of equal or lesser height.

See also this example:

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:45, Master = 5:15, Expert = 10:30

Solution: PDF; a solution video is also available here.

Note: Follow this link for classic Slitherlink and this link for Slitherlink variations. If you are new to this puzzle type, here are our easiest Slitherlink puzzles to get started on. More Slitherlink puzzles can be found in The Art of Puzzles, Slitherlink and Variations, and our beginner-friendly book Logic Puzzles 101.