X vs Seven Sudokus

X-Sudoku — Logic Puzzles Game Train your mind with the most elegant puzzle game on the App Store. X-Sudoku offers hundreds of hand-graded puzzles across two distinct variants, built for players from first-timers to seasoned solvers. Two Variants. One Obsession. Classic 9×9 — The timeless grid. Fill every row, column, and 3×3 box with the digits 1 through 9. Pure logic. No guessing required. X-Sudoku — An additional twist: both main diagonals must also contain all nine digits. 18 extra constraints. Entirely new strategies. Five Difficulty Levels From Easy (~10 min) to Epic (~45+ min), each difficulty unlocks as you progress. Whether you have a few minutes or a long commute, there's a puzzle for you. Earn Points. Climb Titles. Every solve earns points based on your speed, mistakes, and streak. Rise through 20 titles — from Student to Immortal. Daily Challenges A fresh puzzle every day. Solve it to earn bonus points. Keep a 7-day streak to double your daily rewards. Perks System Earn perks by solving puzzles: use a Hint to reveal a cell, Chance for an extra mistake, Forgive to wipe your record clean, or Double Points to maximise your score. Clean. Focused. No clutter. Elegant typography, a paper-toned palette, and smooth animations keep the focus on the puzzle. Visit our website for more information and our privacy policy: https://x-sudoku.com/privacy/

Build your Sudoku skills across six carefully graded levels, from Beginner to Master. Seven Sudokus is a clean, focused logic puzzle game built around progression. Start with approachable Beginner boards, sharpen your solving through Easy, Medium, and Hard, then take on Expert and Master. Every completed tier moves your journey forward and opens the next challenge. Clear Master to unlock the Seven Challenge: a bonus puzzle with no 7s among the starting clues. Find and place all nine 7s as part of your solve. Seven Sudokus includes: - Six levels from Beginner to Master - A visible progression journey across every level - A bonus Seven Challenge once you reach Master - Pencil notes, with automatic candidate notes as your journey advances - Helpful hints and focused scoring - Victory ratings, solve times, and detailed statistics - Pause, resume, replay, and shareable results - Optional local puzzle reminders - iCloud synchronization for progress, saved games, and inventory Seven Sudokus launches completely free, with no advertising and no in-app purchases. No account or login is required.