Shumaguni - Islands Puzzle

Discover Shumaguni, a relaxing and satisfying islands puzzle built around clean logic.

Fill cells to create one orthogonally connected island in each region. Use the numbers, region shapes, and neighboring constraints to deduce the correct island size for every area. Every puzzle has a single solution and can be solved through logic.

How to play:
• Fill cells to create one connected island in each region
• Numbered regions must contain exactly that many island cells
• Regions without numbers must be solved through deduction
• Islands in different regions may not touch across a side
• Orthogonally adjacent regions may not have the same island size
• Every region must contain at least one island cell

Features:
• Pure logic gameplay
• No guessing
• Clean and readable design
• Easy, medium, and hard puzzles
• Optional mark mode for note-taking
• Smooth controls and fast play
• Great for short sessions or longer puzzle solving

Shumaguni - Islands Puzzle is perfect for players who enjoy smart deduction, calm puzzle solving, and the satisfying moment when the full board comes to life.