Core Sudoku is a minimalist Sudoku experience. Step into a calm, uncluttered environment where the classic 9×9 puzzle floats in front of you, and let your mind do the work.

• Pure and distraction‑free — no ads, no gimmicks, just Sudoku.

• Unlimited puzzles — tackle grids from beginner to expert difficulty.

• Intuitive controls — gaze or tap to enter numbers or clear cells.

• Customize your play — optional hints keep you on track without hand‑holding.

• Dark and light themes — soothe your eyes while you solve.

• Offline play — perfect for quick brain‑workouts anywhere, anytime.

Core Sudoku celebrates the joy of solving with nothing in the way. Whether you have five minutes or fifty, it’s the perfect way to sharpen your logic and find a quiet moment of focus.