Shikaku
Divide the grid into rectangles · each one holds a single number equal to its area. A clean area-partition logic puzzle
Divide the grid into rectangles · each one holds a single number equal to its area. A clean area-partition logic puzzle
About Shikaku
Shikaku is an area-partition logic puzzle · you split the whole grid into rectangles so that each rectangle contains exactly one number and that number equals its area.
How a round works. Drag out rectangles on the grid. Every number must end up inside exactly one rectangle whose area matches it, and the rectangles must tile the board with no gaps or overlaps.
Part of Logic Puzzles. Shikaku is both its own game and a tab inside the Logic Puzzles hub, so you can play it on its own or alongside the related games.
Part of PlayMemorize, a passion project from Christoffer De Geer. It runs entirely in your browser.
New game videos on YouTube
FAQ
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What does Shikaku train?
Shikaku trains spatial decomposition and multiplication sense · finding the rectangle dimensions whose area matches each clue. -
How do I play Shikaku?
Drag out rectangles on the grid. Every number must end up inside exactly one rectangle whose area matches it, and the rectangles must tile the board with no gaps or overlaps. -
How is Shikaku related to Logic Puzzles?
Shikaku is one of the games inside the Logic Puzzles hub. It also stands on its own here, with the hub still able to play it. -
Can MemPi help me study and practice this game?
Yes! Click MemPi in the header or on the game board to summon him. He observes the board, thinks out loud, and can demonstrate moves or guide you through tricky steps.