Sanretsu

Gridstone

Contains ads

About this game

Test your logic and problem-solving skills with Sanretsu, a unique number puzzle game.

HOW TO PLAY
Fill the grid with numbers following these simple rules:
• Each column must contain each digit exactly once (no vertical repeats)
• Each row must sum to the target number shown on the right
• Use numbers from 1 to N (where N is the grid size)
• Rows may have repeated digits - only columns must be unique

Sounds simple? The combination of column uniqueness and row sums creates a surprisingly deep puzzle that will challenge even experienced logic game fans!

FEATURES
• 4 difficulty levels: Easy (3×3), Medium (4×4), Hard (5×5), and Expert (6×6)
• 6 beautiful visual themes to customize your experience
• Built-in tutorial with examples
• Clean, intuitive interface with touch controls
• Real-time validation - see which rows match instantly
• No registration required
• Completely free to play

THEMES
Personalize your puzzle experience with 6 stunning themes:
• Default - Clean purple gradients
• Japanese - Traditional aesthetic with warm tones
• Luxury - Elegant gold and black design
• Dark Modern - Sleek cyan on dark background
• Paper - Handcrafted textured feel
• Frost - Cool icy blue winter vibes

DIFFICULTY LEVELS
• Easy (3×3) - Perfect for learning the mechanics
• Medium (4×4) - Moderate challenge with more complexity
• Hard (5×5) - For experienced puzzle solvers
• Expert (6×6) - Ultimate brain workout

PERFECT FOR
• Sudoku enthusiasts seeking a fresh challenge
• Logic puzzle fans who love number games
• Brain training and mental exercise
• Anyone who enjoys strategic thinking
• Commuters looking for offline entertainment
• Players who want to sharpen their math skills

FEATURES AT A GLANCE
✓ Intuitive touch and keyboard controls
✓ Unlimited puzzles - never play the same one twice
✓ Real-time feedback - know when rows are correct
✓ Theme persistence - your style choice is saved
✓ No time pressure - solve at your own pace
✓ Lightweight app - minimal storage required
✓ Ad-supported - completely free to play

🎓 LEARN AS YOU PLAY
Not sure where to start? The interactive walks you through the rules with clear examples and visual guides. You'll be solving puzzles in minutes!

Download Sanretsu now and discover your new favorite logic puzzle game!

What’s new

Small update