Logic · Partition
Rectangles
Cut the board into rectangles; each number is its rectangle’s area.
About Rectangles
Rectangles (also known as Shikaku) asks you to divide the board into rectangles so that each one contains exactly one number, and that number equals its area. It is quick to learn and surprisingly deep on larger grids.
Play a new daily puzzle every day, or pick Easy, Medium or Hard in practice mode for unlimited puzzles.
How to play
- Divide the whole board into rectangles (squares count) with no gaps or overlaps.
- Each rectangle contains exactly one number.
- That number equals the rectangle’s area in cells.
A new rectangle replaces any rectangles it overlaps.
Drag from one cell to another to draw a rectangle. Tap a rectangle to remove it.
Tips & strategies
- Large numbers have few possible shapes — try them first.
- A number like 7 or 5 can only be a single line of cells.
- Cells that can only be reached by one number belong to that number’s rectangle.
FAQ
How do you play Rectangles?
Divide the whole board into rectangles (squares count) with no gaps or overlaps. Each rectangle contains exactly one number. That number equals the rectangle’s area in cells.
Is there a new Rectangles puzzle every day?
Yes. A new daily puzzle arrives at midnight (your local time) and everyone gets the same one. Missed days can be played from the archive.
Do I need to sign up or install anything?
No. Daily Brain runs in your browser. You can add it to your home screen and it keeps working offline after the first visit. Progress is stored only on your device.
Are there difficulty levels and hints?
Practice mode offers Easy, Medium and Hard with unlimited new puzzles. Hints are available when you get stuck and are recorded in your result.