Shikaku - Rectangle Puzzle
Daily logic & real-time races
Free · Designed for iPad. Not verified for macOS.
Race up to four players on the same puzzle, explore 75 Journey levels, or solve the worldwide daily challenge. No ads, no purchases, and every hint is included.
One number. One rectangle. Cover the entire grid with no gaps and no overlaps. Shikaku is a calm logic puzzle that takes seconds to learn—and keeps finding new ways to challenge you.
NO ADS. NO PURCHASES.
Every puzzle and every hint is included. Solo modes work offline, while iCloud keeps your progress in sync across devices.
VERSUS — REAL-TIME RACES FOR UP TO 4 PLAYERS
• Solve the exact same puzzle at the exact same time
• Play three rounds and earn points for every finish
• Start as soon as two players join; pacers fill open seats
• Race a friend through Game Center
• On your own? Challenge a ghost tuned to your best time
JOURNEY — 5 WORLDS, 75 LEVELS
• Travel through Dawn, Forest, Ocean, Dusk and Midnight
• Grow from compact warm-ups to demanding 15×15 grids
• Earn up to three stars on every level
DAILY CHALLENGE
One new puzzle appears each day, shared by everyone worldwide. Keep your streak going and compare times on the daily leaderboard.
QUICK PLAY
Choose from five difficulty levels and generate a fresh puzzle whenever you want. There is no guessing: every board is built for pure deduction.
RECORDS AND RANKINGS
Review your best times, activity, streaks and achievements. Game Center adds fastest-time boards, total XP rankings and Versus wins.
HOW TO PLAY
1. Each number is the area of its rectangle
2. Drag to draw rectangles around the numbers
3. Fill the grid with no gaps or overlaps
From a quiet daily puzzle to a photo-finish race, Shikaku gives every solve a reason to come back tomorrow.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Fixed live rankings on the home screen.
• Rankings no longer get stuck on “couldn’t load” and now refresh reliably
The developer, ReleCompany, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ReleCompany
- Size
- 4.4 MB
- Category
- Puzzle
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
English and 5 more
- English, Arabic, French, German, Japanese, Korean
- Age Rating
4+
- 4+
- Copyright
- © 2026 Rele Company
