Shikaku is a great logic game that will keep you busy for hours.

The goal of the game is to fill the game board with rectangles. Each rectangle must contain one number from the board. That number defines the area of the rectangle. Rectangles should not overlap.

How quick can you complete the puzzle and make it on to the leaderboard?

Choose from a wide variety of grid sizes, from 3x3 to 20x20. Smaller grids are great for younger players or if you just want a quick game. Larger grids will provide a challenge to even the best puzzle solvers.
All the grids are randomly generated for a virtually inexhaustible number of puzzles.

Grids can be zoomed in and out using a spread and pinch motion to easily complete large grids even on smaller devices.

What’s New

Version 2.7

Bug fixes and performance improvements.

Ratings and Reviews

5.0 out of 5
5 Ratings

5 Ratings

nook logan ,

Exceeded Expectations

This is more than I could have asked for in an app for playing Shikaku. It's better designed than the flash version I played when I first encountered this fun puzzle game. I like the feature that lets the player know the area of the rectangle being made--this eliminates the dull counting aspect of Shikaku. I also appreciate that the only adverts are unobtrusive banner ads. Thanks for the great app!

zachwillson ,

Great Puzzle

Very fun to play around with. Takes only a few minutes to get up to grid size 10x10, but once you start getting near 20x20 its very entertaining because of all the possibilities. I was looking for a game like sudoku, but different design and way to think, and this was perfect.

satasia ,

Such a fun game

I’ve been spending hours on this game the past week. It’s super addicting and really interesting! It’s more rewarding than other games because I can use logic and my brain to complete each puzzle. Super fun!!

App Privacy

The developer, Vincent Lewis, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers
  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


Vincent Lewis
33.5 MB

Requires iOS 12.2 or later. Compatible with iPhone, iPad, and iPod touch.


English, French

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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