Kaku: Shikaku Logic Puzzle

Play Kaku: Shikaku Logic Puzzle unblocked

Play Kaku: Shikaku Logic Puzzle online for free on Physics Shark. This puzzle game runs in a normal browser tab, so there's nothing to download and no sign-up, and it works on a school Chromebook, a laptop, a phone or a tablet.

What is Kaku: Shikaku Logic Puzzle?

Kaku is a relaxing logic puzzle based on the classic Shikaku (rectangle division). Split the grid into rectangles so that each rectangle contains exactly one number — and that number equals its size. 2,000 handcrafted levels across 4 difficulties, daily challenges with monthly trophies, and an IQ score that grows with every puzzle you solve. Easy to learn, but Expert 13×13 boards will truly test your logic.

How to play Kaku: Shikaku Logic Puzzle

Drag on the board (hold the left mouse button or swipe with your finger) to draw a rectangle. Each rectangle must contain exactly one number, and the number must match the count of cells it covers. Tap a placed rectangle to remove it. Fill the entire board with no gaps or overlaps to clear the stage. Stuck? Use a hint to reveal one correct rectangle. Your IQ score grows with every clear — climb the leaderboard!

Kaku: Shikaku Logic Puzzle FAQ

Is Kaku: Shikaku Logic Puzzle free to play?

Yes. Kaku: Shikaku Logic Puzzle is free on Physics Shark, with nothing to download and no account to make.

Can I play Kaku: Shikaku Logic Puzzle unblocked at school?

Kaku: Shikaku Logic Puzzle runs in a normal browser tab with no install, so it plays on school Chromebooks and laptops, with nothing to install and no account.

Does Kaku: Shikaku Logic Puzzle work on phones and tablets?

Yes. It works with touch controls on phones and tablets, and with a keyboard and mouse on computers.