About 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.

More in Brain on Aragon.

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!

Game features

  • Free to play on Aragon
  • Instant browser play — no download
  • Brain game
  • Mobile browser ready
  • Touch controls supported
  • Keyboard supported

Kaku: Shikaku Logic Puzzle FAQ

Is Kaku: Shikaku Logic Puzzle free to play?

Yes. Kaku: Shikaku Logic Puzzle is free to play in your browser on Aragon. Some partner games may show their own ads inside the embed.

Do I need to download Kaku: Shikaku Logic Puzzle?

No. Kaku: Shikaku Logic Puzzle runs online as a browser game — open the page, wait for the player to load, and play instantly.

Can I play Kaku: Shikaku Logic Puzzle on mobile?

Yes. Kaku: Shikaku Logic Puzzle supports mobile browsers, so you can play on many phones and tablets as well as desktop.

What kind of game is Kaku: Shikaku Logic Puzzle?

Kaku: Shikaku Logic Puzzle is a brain browser game on Aragon. Explore related categories and tags on this page to find similar titles.