Sudoku - Logic Puzzles

Sudoku Daily is a polished classic 9×9 sudoku built for people who actually want to solve, not be interrupted. Five difficulties, a daily puzzle the whole world shares, weekly themed events, and a hint engine that EXPLAINS why a move is next — no popups every two minutes. WHY PLAYERS STAY • A new daily sudoku puzzle every UTC midnight, identical for every player. • Streak ring with a 30-day calendar — protected by streak freezes you earn through play, not buy. • Twelve weekly event sets that rotate every ISO week — All-Expert, Evil Gauntlet, Easy Breeze, Midnight Grid, and more. • Twenty achievements across Bronze, Silver, Gold, and Platinum tiers. • Optional Google Play Games leaderboards: per-difficulty time, daily time, current streak, total wins. CLASSIC SUDOKU, DONE RIGHT • Five difficulty bands — Easy, Medium, Hard, Expert, and Evil. Every puzzle has a guaranteed unique solution; no guessing required. • Smart highlights — same numbers, peers (row / column / box), and live conflicts are color-coded. • Pencil marks with one-tap auto-pencil. Mistake checking, undo, and a hint that points to the easiest next deduction (from a real logic engine — not the solution). • Single-tap controls, considered animations, calm dark theme. DESIGNED FOR FOCUS, NOT ADDICTION • No forced ads between puzzles. One honest banner, optional rewarded ads if you want extra hints. • Color-blind-safe conflict markers and accessible tap targets. • Three unlockable color themes: Sunset, Mono Mint, Royal Plum. • Permanent ad-removal as a one-time purchase — no subscriptions, ever. NO REGISTRATION REQUIRED Open the app and start solving. We don't ask for an email, profile, or friends list. Sign in to Play Games only if you want online leaderboards; everything else works fully offline. Whether you're looking for a quick brain puzzle on the train, a daily number puzzle with your morning coffee, or a deep evening sudoku session across multiple difficulty levels — this is the classic sudoku game built to respect your time. Free to play. No popups. Daily sudoku, every day.