Numbers Door - Math Puzzles

Numbers Door is a math puzzle game that packs 15 brain games and 15,000 number puzzles into one colorful app. Train your brain with Sudoku, Minesweeper, logic puzzles, mental math, and memory challenges, and play every level offline, anytime. A NEW PUZZLE AT EVERY STATION The home is a railway line, and each station opens a different kind of number puzzle. Ride the train to Patterns and crack the rule hidden in a sequence. Try Equations and find the missing number or operator. Fill a Sudoku grid by pure deduction, from 4x4 up to 9x9, or sweep a Minesweeper board where every clue leads to a safe tile without guessing. Each mode brings its own logic, so this puzzle game never feels repetitive. BRAIN GAMES FOR EVERY KIND OF THINKER - Mystery Number: combine range, digit, and divisibility clues to find one answer. - Reach the Number: merge cards with arithmetic to hit the target. - Number Logic: solve sum grids from row and column totals. - Number Rush: fast Yes or No rounds on parity, primes, and squares. - Sequence Memory: remember digits, then recall them forward or in reverse. - Find the Number: search the grid for the only value that fits. - Number Balance: find the missing weight that levels the scale. - Odd One Out: spot the number that breaks the rule. - Higher or Lower: compare sums, fractions, and negative values. - Closest to Target: choose the value nearest the goal. - Number Maze: trace the only route that adds up to the target sum. NEW PUZZLES EVERY DAY Today's 5 serves five puzzles a day from five different games, the same for every player, with a result you can share. Each finished day unlocks a clue in the Weekly Number Hunt, where one secret number waits to be found. Missed a day? Streak Rescue and streak freezes keep your run alive. BRAIN TRAINING THAT GROWS WITH YOU Every mode has 1,000 verified levels that climb gently, so these logic puzzles suit a quick coffee break or a long evening session. Stuck on a tough math puzzle? Three-step hints give you a nudge without spoiling the answer, and every result screen explains the rule. Collect stars, Brain Points, and 77 trophies, and keep your winning streak going as your mental math and memory improve. KEY FEATURES - 15 puzzle modes in one brain game app - 15,000 bundled levels, fully playable offline - Sudoku, Minesweeper, equations, patterns, mazes, and memory games - Today's 5 daily challenge and the Weekly Number Hunt - Three-step hints and a clear explanation after each puzzle - Stars, Brain Points, 77 trophies, and streaks to track your progress - 22 languages, with Western (123) or Arabic-Indic (١٢٣) numerals - Dark mode, an optional timer, and a reduce-motion setting - No account required; optional Google Play Games leaderboard, achievements, and cloud save SMOOTH, FAST, AND OFFLINE Numbers Door is built with Flutter, so every board responds instantly and every screen glides on phones and tablets. All puzzle content ships inside the app: no downloads, no Wi-Fi, no waiting. Every level you leave is kept as you left it, so you can jump back into your favorite number puzzle in seconds. A small banner and an occasional ad between levels support the game, an optional rewarded ad hides them for a day, and a single in-app purchase removes ads forever. Hop aboard and find your next favorite puzzle.