Featured Puzzle: Calcudoku #1
Calcudoku is the generic name for a Sudoku variant known better by the trademarked titles KenKen or Kendoku. To make things a little easier, I color-coded regions with the same math operation.
Featured Puzzle: Dotchi Loop #1 – Time to Raid the Henhouse
Scientists have been going round and round for decades about whether eggs or good for you, or if you should eat them in moderation. All I know is that I’m a sucker for a plate of deviled eggs, or a whole lot of over-easy fried eggs. Today is National Egg Day, in case you missed Egg Month in May. Of course, there’s always World Egg Day on October 11th, so you have another chance to enjoy this delicious staple.
Featured Puzzle: L.I.T.S. #5
Shade four cells in each region to place exactly one L, I, T, or S-tetromino there. Shaded cells form one orthogonally contiguous area.
Featured Puzzle: Stitches #3 – Rev Up Your Sewing Machine!
Today in 1790, Great Britain issued Patent #1764 to Thomas Saint for the very first sewing machine design. Sadly, he may have patented the idea, but he never actually built and marketed his invention. That happened in 1874, thanks to William Newton Wilson, who discovered the old patent, built it, and proved it worked. To honor the day, let’s sew some Stitches!
Featured Puzzle: Trail Signs #1 – A Walk in the Park
Happy National Trails Day! The first Saturday in June is a day to celebrate your local trail system and go for a walk. Today, you must examine the signs in the grid and deduce the route the trail takes. I liked the Castle Wall puzzle created by Palmer Mebane in 2009, and re-themed it as Trail Signs.
Featured Puzzle: Worms #1 – Need Some Bait?
Today is National Go Fishing Day! So get out there, bait your hook, drop a line, and catch a whopper! What? You forgot the bait? No problem – let’s dig some up right now! I see here a grid with a whole bunch of worm burrows.
How to Solve Easy as ABC Puzzles
Given a range of letters (usually A through C), place them into the grid so that they each appear one time in every row and column. Commonly, the grid is also larger than required, so empty cells are part of the solution.
How to Solve Lighthouse Battleships Puzzles
Use number clues in a series of lighthouses to locate a given fleet of battleships. Ships may not touch each other or any lighthouses in any direction.