Interactive Puzzles by Krazydad
Solve in your web-browser, or on an iPad, Kindle Fire or Android tablet.
Oh my gosh, they're full of stars! A fun object-placement puzzle currently published in The New York Times as Two Not Touch.
Sometimes called Tectonics or Number Blocks, these puzzles have very simple rules but can be extremely challenging!
Protect aliens from mutant cactus in this engaging hybrid of Slitherlink, Masyu, and Cow & Cactus.
A solitaire version of the classic strategy game in which you hunt and sink a hidden enemy fleet.
Also known as Hashiwokakero, connect islands to form a network of bridges in this spatial-reasoning puzzle.
Conjoined Sudoku grids make for a longer-lasting and most satisfying solving experience.