Pentominous by John Bulten

Pentominous by John Bulten

PDF

Theme: Five Chapters

Author/Opus: This is the 50th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Pentominous rules.

Answer String: Enter the letter associated with the pentomino occupying each cell in the marked rows from left to right, separating the groups with a comma. Use CAPITAL LETTERS!

Time Standards (highlight to view): Grandmaster = 5:30, Master = 9:15, Expert = 18:30

Note: Follow this link for other Pentominous puzzles. If you are new to this puzzle type, here are our easiest Pentominous to get started on. More Pentominous puzzles can be found in Plenty o’ Pentominous by Grant Fikes and Murat Can Tonta.

Tapa by John Bulten [bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Tapa by John Bulten

Theme: Almost Antisymmetric

Author/Opus: This is the 49th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Tapa rules.

Answer String: Enter the length in cells of each of the shaded segments from left to right for the marked rows, starting at the top. Separate each row’s entry from the next with a comma.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:30, Expert = 9:00

Note: Follow this link for other Tapa variations and this link for classic Tapa. If you are new to this puzzle type, here are our easiest Tapa puzzles to get started on. More Tapa puzzles can be found in The Art of Puzzles and in Tapa and Variations, both by Serkan Yürekli.

Minesweeper 3-D by John Bulten

Minesweeper by John Bulten

(view directly for a larger image)

PDF

Theme: Four Depths of Mines

Author/Opus: This is the 48th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Minesweeper rules. Also, every coordinate should contain exactly one mine across all the grids.

Answer String: For each cell in the marked rows, enter a 1 if it contains a mine and a 0 if the cell is empty (or a clue cell). Separate each row’s entry from the next with a comma. The format will resemble “0010101000,1110010101,1000011011”.

Time Standards (highlight to view): Grandmaster = 13:30, Master = 17:30, Expert = 35:00

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.

Minesweeper by John Bulten

Minesweeper by John Bulten

PDF

Theme: Meow

Author/Opus: This is the 47th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Minesweeper rules.

Answer String: For each cell in the marked rows, enter a 1 if it contains a mine and a 0 if the cell is empty (or a clue cell). Separate each row’s entry from the next with a comma. The format will resemble “0010101000,1110010101,1000011011”.

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

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.

Yajilin by John Bulten

Yajilin by John Bulten

PDF

Theme: Cornered

Author/Opus: This is the 46th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Yajilin rules.

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 1:40, Master = 2:15, Expert = 4:30

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

Quintessence by John Bulten

(Note: this puzzle is like a Sunday Surprise with very high difficulty.)

Quintessence by John Bulten

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PDF

Theme: 14 Nisan, 2018 (Pasch 5778)

Author/Opus: This is the 45th puzzle from our contributing puzzlemaster John Bulten.

Rules: See PDF link above for complete rules as well as a solvable example by Thomas Snyder.

Answer String: The solution string is 3 words in ABC order, in all capital letters and separated by commas. (There are a total of 28 letters in this string.)

Time Standards (highlight to view): No time standard (GM time > 2hr).

Editor’s Note: The giant grid here is one of the hardest puzzles we have ever presented. If I knew in advance John wanted to make a puzzle like this, I would have said no because of the combination of so many kinds of rules, new puzzle styles, and my expectation it would take hours to solve (and it certainly does!). But there is something inspirational about the elements brought together here by John, many unexpected Ahas that will cure the headaches you’ll also get in the middle. While the giant puzzle was originally created to stand on its own, John added the four medium difficulty puzzles we posted earlier this week to introduce the four subgenres. Be sure to solve these as you prepare for this large test at the end of the week. -TS

Author’s Note: Thanks to Thomas and Grant for encouraging me to construct new puzzle types. Thanks to patron Randy Rogers for requesting 4-grid combination puzzles, which sparked this idea. Thanks to Prasanna for his giant 11/29/15, 3/2/16, and 3/2/17 puzzles, which directly inspired this puzzle. Thanks to Serkan for inventing Light and Shadow, because whenever I tried experimenting with shading puzzles I found myself trying to reinvent Light and Shadow. Thanks to Izak for inventing Surf, which has more potential than either of us realize. Thanks to God for this day. -JB

Light by John Bulten

(Note: puzzles during this bonus week are harder than usual; the four puzzles from Monday-Thursday are all about Thursday or Friday level difficulty.)

Light by John Bulten

PDF

Theme: Maze

Author/Opus: This is the 44th puzzle from our contributing puzzlemaster John Bulten.

Rules: Shade some white cells black so that exactly one of the grid’s clues appears in each contiguous white or black region and indicates the clued region’s area. Circled numbers indicate cells that must remain white.

Also see this example:

Surf by John Bulten

Answer String: Enter the length in cells of each of the black segments from left to right for the marked rows. Separate each row’s entry from the next with a comma.

Time Standards (highlight to view): Grandmaster = 4:30, Master = 7:45, Expert = 15:30

Note: Light is John Bulten’s variation of the shading puzzle Light and Shadow, created by Serkan Yürekli. Unlike Light and Shadow, where all numbered cells start white or black, in Light puzzles the numbered cells that are not shaded or circled may be either white or black in the solution.