Marble Sudoku • Logic Puzzle

Marble Sudoku is a relaxing Sudoku puzzle game where classic number logic becomes a calm color puzzle. Place glossy marbles on a wooden board, use notes and smart hints when you need them, and solve offline at your own pace. Designed for quick breaks, deep focus, and quiet brain training, Marble Sudoku blends familiar 9x9 Sudoku rules with soothing visuals, gentle sounds, subtle haptics, and satisfying marble placement. PLAY YOUR WAY • Classic: the timeless Sudoku experience, from Easy to Expert • Countdown: race the clock and earn time with correct moves • Boulder: solve around stone obstacles and break them from the board • Mosaic: a jigsaw Sudoku mode with irregular regions instead of standard 3x3 boxes • Daily Challenge: return each day for a fresh puzzle and keep your streak alive SMART SUDOKU TOOLS Use pencil notes, smart hints, validation, undo, and optional auto-erase for wrong moves. Turn assistance on when you want gentle guidance, or keep it minimal for a pure classic Sudoku challenge. RELAX AND TRAIN YOUR BRAIN Sudoku helps train memory, focus, logic, and problem-solving. Marble Sudoku keeps the experience calm and tactile, so each puzzle can feel less like pressure and more like a quiet ritual. PLAY OFFLINE OR COMPETE ONLINE Enjoy Sudoku anywhere without an internet connection. When you are online, track your stats, unlock achievements, climb monthly leaderboards, and compete for a permanent spot in the Hall of Fame. MAKE THE BOARD YOURS Choose different marble styles, use a colorblind-friendly palette, show your country flag, set your username, and enjoy multi-language support. FEATURES • Relaxing Sudoku with colorful marble pieces • Classic number logic presented as a calm color puzzle • Offline play with no internet required • Daily challenges and streak tracking • Four game modes: Classic, Countdown, Boulder, and Mosaic • Jigsaw Sudoku-style irregular regions in Mosaic mode • Easy, Medium, Hard, and Expert difficulty levels • Pencil notes, smart hints, undo, and optional mistake help • Monthly global leaderboards, achievements, and detailed stats • Colorblind-friendly marble palette • Smooth animations, soothing sounds, and subtle haptic feedback Whether you want a simple Sudoku puzzle before bed, a hard logic challenge, or a relaxing brain game you can return to every day, Marble Sudoku gives the classic puzzle a fresh and peaceful twist.