Sudokuh is a free, open source Sudoku game that helps you unlock deep focus and calm while sharpening your logic one cell at a time, with handcrafted 6x6 and 9x9 puzzles, five difficulty levels, and a fast, beautiful, distraction free web experience you can play instantly from any device. Designed for both beginners and seasoned solvers, Sudokuh combines clean design with smart game flow so you can step away from the noise, drop into a focused state, and enjoy a quick mental reset or a serious challenge whenever you like. With hints, scoring, and a live leaderboard built in, every puzzle becomes a chance to improve your skills, chase better times, and compete quietly with players around the world, all while supporting an open, transparent codebase that any developer can explore and extend.

Features:

• Free, open source Sudoku game you can play instantly in the browser, no sign up, no install, no ads.

• Handcrafted 6x6 and 9x9 puzzles for both quick sessions and deep, logic heavy challenges.

• Five difficulty levels tuned for beginners to experts, so you can grow your skills over time.

• Built in hint system to nudge you forward without spoiling the logic or solving the puzzle for you.

• Scoring and timing to track your progress, streaks, and personal bests across puzzles and difficulties.

• Live leaderboard so you can see how you stack up against other players and add a light competitive edge.

• Modern, responsive UI that feels fast and looks great on desktop, tablet, and mobile.

• Transparent, developer friendly codebase, inviting contributions, forks, and feature experiments from the community.