Daily Challenge
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Today's featured puzzle: hints and reveal are disabled. Difficulty is your choice.
Turn your phone upright. The board has more room that way.
Use the arrow keys to move around the board. Press Enter or Space to change the selected item. Hold Shift while pressing Enter or Space to add a mark.
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Free logic puzzles online
Daily loop and grid puzzles
Pick a game and difficulty. The board is ready at once, with no account or setup. Every puzzle can be solved from its visible clues.
Fences
Draw one loop around numbered squares. Each number counts the loop edges around that square.
Bridges
Connect numbered islands with straight bridges. Match every island's total. Bridges cannot cross, and all islands must join into one group.
Pearls
Draw one loop through every pearl. At a white pearl, go straight, then turn at the next dot on at least one side. At a black pearl, turn, then go straight through the next dot on both sides. Empty dots are optional.
Alone
Shade cells so numbers stay unique in each row and column. Shaded cells never share an edge, and the rest stay connected.
Boxes
Divide the grid into rectangles. Each rectangle has one clue that matches its size.
Lights
Place lamps so every white cell is lit. Lamps never see each other, and numbered walls count lamps next to them.
Islands
Shade the sea around numbered islands. Each number is that island's size. Islands never share an edge, the sea stays connected, and sea never forms a 2x2 block.
Arrows
Count shades along arrows. Shaded cells never share an edge. Draw one loop through the other open non-clue cells.
Daily Challenge
Play today's puzzle with everyone else.
Classroom printables
Free worksheets with separate teacher answer keys.