Sudoku Offline Game vs Brain Calculus

Classic Sudoku, calm and uninterrupted. No ads while you play, hints that actually teach, and a fresh Daily Challenge every day. NO ADS WHILE YOU PLAY Your game is never interrupted. No ads during a puzzle, on pause or before you start. A one-time Remove Ads purchase turns ads off for good and includes unlimited hints. No subscriptions. HINTS THAT TEACH Stuck? A hint first shows you where to look, then explains the technique and why it works, from singles to X-Wings and XY-Wings. You get better with every puzzle. LOGIC ONLY. NO GUESSING. Every puzzle has exactly one solution and can be solved by logic alone. Five levels, Easy, Medium, Hard, Expert and Master, each graded by the techniques it needs, so difficulty is consistent. A NEW PUZZLE EVERY DAY Play the Daily Challenge, fill your monthly calendar and collect gold, silver and bronze trophies. Missed a day? Play past days any time. NOTES LIKE PEN AND PAPER - Pencil marks, auto-notes and auto-removal of notes - Number lock: pick a number, then tap cells to fill it fast - Highlights for the row, column, box and same numbers - Unlimited undo; an optional 3-mistake limit for a challenge MAKE IT YOURS Choose from 13 boards, from Paper and Wood to Neon and Sakura, and 4 number styles. Earn coins by playing and unlock new looks in the Shop. BUILD A DAILY HABIT Keep your streak alive, open your daily gift, unlock 20 achievements and track every win: best times, averages and win rates for each level. Beat your best time and climb the Game Center leaderboards. EASY ON YOUR EYES Dark mode, large numbers and big, easy-to-tap buttons, on iPhone and iPad. PLAY ANYWHERE No Wi-Fi needed. Your game is saved automatically, so you can stop and continue whenever you like. Sudoku Offline Game is free to play. Optional in-app purchases: Remove Ads and coin packs.

Brain Calculus Sharpen your math skills with Brain Calculus! This engaging game challenges you to solve arithmetic problems under time pressure, with the option to disable the timer for a more relaxed experience. Game Features: Timed and Untimed Modes: Race against the clock or take your time to solve problems at your own pace. Variety of Operations: Practice addition, subtraction, multiplication, and division. Customisable Difficulty: Choose single-digit double-digit triple-digit to match your skill level. Interactive Problems: Select from multiple-choice answers and determine the correct placement of the missing number . Ad-Free Experience: Enjoy uninterrupted gameplay with no ads. Offline Play: No internet connection needed