Puzzle Collection
Choose from a variety of logic puzzles and brain teasers
Sudoku
Fill the 9x9 grid with numbers 1-9 so that each row, column, and 3x3 box contains each number exactly once.
Kakuro
Fill the grid with numbers 1-9 so that the sum of numbers in each row and column matches the given clues.
Slitherlink
Draw a single loop by connecting adjacent dots so that the numbers in cells indicate how many sides of that cell are part of the loop.
Hikari
Place light bulbs in the grid so that every white cell is illuminated and no two bulbs shine on each other.
Tic-Tac-Logic
Place X's and O's in the grid so that no more than two consecutive X's or O's appear in any row or column.
Hashi
Connect islands with bridges so that the number on each island indicates how many bridges connect to it.
Battleships
Place ships of various sizes in the grid according to the row and column sums, avoiding adjacent ships.
Total Puzzles
Across all categories
Categories
Different puzzle types
Difficulty Levels
Easy, Medium, Hard