Chock Full of Logic Volume 1
Open the puzzle crate and discover a variety of logical deduction puzzles to challenge your mind!
Chock Full of Logic Volume 2
Open the puzzle crate and discover a variety of logical deduction puzzles to challenge your mind! Volume 2 includes 17 types of puzzles not seen in Volume 1!
Dia de los Muertos Activity Book
Learn about the traditions of Dia de los Muertos with this educational activity book for kids ages 8-12.
Featured Puzzle – Hashi #4
Connect all of the numbered islands into a single group, using a series of bridges. No more than two bridges may connect any pair of islands.
Featured Puzzle – Invisible Sudoku #1
Can you solve a jigsaw sudoku puzzle with invisible walls? The sudoku part might be easy enough – fill in the grid with numbers and don’t repeat them in any row or column. However, you also can’t repeat them in an irregular region that you can’t see!
Featured Puzzle – Mirror Akari #2
It’s the spooky season, and what’s more spooky than a darkened hallway? Place jack o’lanterns to light up every cell in the grid. Use the mirrors to your advantage.
Featured Puzzle – Tetroid #1
Spring is coming, a time of renewal. So why not introduce a new puzzle? Today, we have Tetroid, a grid division puzzle. It’s a little like L.I.T.S., except that there are no predefined regions, and you’re using all 5 tetromino shapes.
Featured Puzzle Akari (Light Up) #4
Place light bulbs in the grid in such a way to illuminate all of the unlit cells in the grid, using number clues and walls. Numbers on the walls indicate how many bulbs are placed orthogonally adjacent to them. Walls also block light.
Featured Puzzle: 2-Grid Jigsaw Sudoku
One of the most iconic romantic moments in fiction is the balcony scene in Romeo and Juliet. When I saw the layout of this 2-grid Sudoku puzzle, I knew I had to use that as the background image. There are more ways to overlap a pair of Sudoku grids, but this one just feels right. Enjoy the solve!
Featured Puzzle: Akari (Light Up) #1
Place light bulbs in the grid in such a way to illuminate all of the unlit cells in the grid, using number clues and walls. Numbers on the walls indicate how many bulbs are placed orthogonally adjacent to them. Walls also block light.