…A1Z26, and classic ciphers - Einstein – Solve full logic-grid puzzles with constraints Every puzzle is designed to be fair, clear, and satisfying to solve. ----- Smart Hint System Each puzzle includes three progressive hints. Get a small nudge, then more guidance, and finally a near-solution if needed. Learn while you play without getting stuck. ----- Global Leaderboard Track your progress and compare your performance with other players. Earn points by completing puzzles and missions and see how you rank worldwide. ----- Create & Share Puzzlor is not just a game — it’s a puzzle platform. Use the built-in editor to create your own missions and share them with the community. Download puzzles created by others and enjoy an ever-growing library of challenges. ----- Premium, Distraction-Free - No ads - No in-app purchases - No subscriptions - No locked content One purchase gives you full access forever. ----- Designed for Focus A clean, modern dark interface… More about Puzzlor

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…features no ads, no in-app purchases, and no data collection! Clean & Distraction-Free Experience Zero ads, no in-app purchases, and no data tracking Focus purely on solving puzzles without any interruptions 17 Puzzle Types Sudoku: Classic number logic for ultimate brain training Sokoban: Test your spatial planning and pathfinding skills Connect: Quick pattern recognition to boost reaction time 24 Math Game: Arithmetic challenges to sharpen mental math abilities Tile Match: Memory pairing puzzles to enhance short-term recall Binairo: Binary logic grid puzzles for systematic thinking Paint Maze: Creative path planning with a visual twist Number Chain: Connect adjacent numbers to form sequences Hashi: Build bridges between islands to strengthen spatial reasoning Torus Sort: Color and shape matching to improve observation skills One Line: Draw continuous lines to connect all points One Stroke: Trace paths without retracing for strategic thinking Shikaku: Grid puzzles combining math and logic Folding… More about Puzzledom 3D

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…same size & quantity as the original free puzzles: 30 each of 3×4 & 30 3×5, and 10 each of 4×4, 4×5, 4×6 & 4×7. Alternatively, you can purchase an Unlimited Puzzles monthly subscription for $4.99 USD per month (or similar for your country). Subscription payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal at the same price as the initial month within 24-hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase or using the “Manage Subscriptions” link. There is no free trial. Logic Grid Puzzles’ privacy and terms of use policies:… More about Logic Grid Puzzles

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…in either 4-way or 8-way mode. Green means correct, yellow means possible, red means impossible — follow the logic and the solution emerges naturally. What’s Inside: • Three sectors with unique atmosphere: Solar System, Milky Way, Deep Space • 2500 handcrafted puzzles with progressive difficulty • Crystal rating system that rewards perfect logic • Daily Challenges with bonus rewards • Smart hint system for difficult moments • Beautiful cosmic visuals and a relaxing, minimalist design Why Players Love It: • Pure logical deduction — never guess • No ads in the free version • Works fully offline • Clean, color-coded feedback • Perfect for short sessions or long logic runs • Inspired by classic puzzles but completely original in design Free vs Pro Free: 50 levels per sector, Daily Challenges, all game modes Pro: All 2500 levels, future sectors Start your cosmic logic journey today and see why so many players enjoy this unique puzzle experience. The grid is waiting. More about FuseCells: Logic Grid Puzzle

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…2-Grid Combo variation combines Diagonal, Irregular and OddEven puzzles • Extra bonus puzzle published free each week • Multiple difficulty levels from easy to hard • Puzzle library continuously updates with new content • Manually selected, top quality puzzles • Unique solution for each puzzle • Hours of intellectual challenge and fun • Sharpens logic and improves cognitive skills GAMING FEATURES • No ads • Unlimited check puzzle • Unlimited hints • Show conflicts during gameplay • Unlimited Undo and Redo • Pencilmarks feature for solving hard puzzles • Autofill pencilmarks mode • Highlight Excluded Squares option • Lock number on keypad option • Concurrently playing and saving multiple puzzles • Puzzle filtering, sorting and archiving options • Dark Mode support • Graphic previews showing puzzles progress as they are being solved • Portrait and landscape screen support (iPad only) • Track puzzle solving times • Backup & restore puzzle progress to iCloud ABOUT MultiSudoku have also become popular under other names such as Samurai Sudoku, Combined Sudoku and Gattai Nanpure. All puzzles… More about MultiSudoku: Samurai Sudoku

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Masyu Infinite offers unlimited enjoyment of the classic logic puzzle with a generator and a free daily puzzle Features: -A puzzle generator that provides new puzzles on demand, with three difficulty levels, from size 5x5 to 18x18 -A daily puzzle going from an easy 18x10 on Mondays to a hard 36x20 on Sundays -Zoomable and draggable playing grid -Autodetection of solving errors and puzzle completion -Autosave of progress on all puzzles -No microtransactions, no ads, no social media integration, no scoring system, nothing but unlimited masyus waiting to be solved More about Masyu Infinite

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Cage Logic has no ads and no in-app purchases. It does not require a connection to the internet. From casual warmups to mind-bending grids, this is the ultimate number puzzle experience. Whether you’ve got 60 seconds or an hour, every game keeps your mind moving. There are thousands of different puzzles. - 20,000 Puzzles - Grid sizes 4, 5, 6 and 7 - Candidates - Take backs - Solution, when you give up - Tracking of all successes - Light / Dark Appearances More about Cage Logic

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Daily Grid — Daily Puzzles and Decorations Daily Grid is a daily logic puzzle with unlockable decorations for your decorate page. Each day, you’re given a handcrafted grid puzzle with a single correct solution. Your goal is simple: place pieces carefully, ensuring they are not adjacent even diagnoally, until each region has 2. Solve at your own pace, return daily, and slowly build something that feels like yours. How it works • Place items so they don’t touch — not even diagonally • Each region must contain exactly two ornaments • Use X marks to eliminate impossible spots • Every puzzle is designed to be solved logically One unique, handcrafted puzzle per day You can revisit completed puzzles, track your progress, share with friends, and enjoy a consistent daily ritual — whether you play for 1 minute or twenty. No ads. No distractions. Just a clean puzzle experience. Solving puzzles unlocks decorations for your personal… More about Daily Grid

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…logic puzzle game designed to challenge your mind — with no guessing involved. Binary Logic is based on simple but powerful rules. Your goal is to fill the grid using only 0s and 1s, while respecting strict logical constraints: • Each row and column must contain the same number of 0s and 1s • No more than two identical numbers can be adjacent • Every row and column must be unique What starts simple quickly becomes a real test of focus, reasoning, and precision. Features • Pure logic puzzles with no randomness and no guessing • Multiple modes, including Challenge and level-based progression • 100 levels with increasing difficulty • Score system based on speed and accuracy • Game Center achievements and leaderboards • Play offline, anytime • No ads, no distractions Whether you’re new to binary puzzles or a seasoned logic expert, Binary Logic offers a clean, focused experience that rewards thinking, not luck. One-time purchase. No… More about Binary Logic

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Experience the Classic Sudoku Puzzle – Now Better Than Ever! Sudoku, originally known as Number Place, is a timeless logic-based number-placement puzzle. Your goal is simple yet challenging: fill a 9x9 grid so that each column, row, and 3x3 block contains the numbers 1 through 9 without repetition. This version of Sudoku offers six difficulty levels – Beginner, Easy, Medium, Hard, Expert, and Master – so players of all skill levels can enjoy and improve their puzzle-solving abilities. Why You’ll Love This Sudoku Game: • Clean & Focused Gameplay: No intrusive pop-up ads to disrupt your concentration. • Smart Hints: Get helpful tips when you need them most. • Optional Short Ads: Only when you choose – to continue after 3 mistakes or to receive a smart hint. Ads are brief (usually just 5 seconds and never more than 10). • Track Your Progress: Improve your skills as you work your way up through… More about Sudoku No Ads

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…free with ads, or remove them with a one-time purchase. - Expansion packs for even more brain-teasing fun. About the puzzle: Queens is a challenging logic grid puzzle, also known as Star Battle or Two Not Touch. It is the same puzzle as the daily Queens puzzle published on LinkedIn. The puzzle can be seen as an object placement puzzle, like Battleship or Trees and Tents, and as binary determination puzzle, like Hitori or Nurikabe. The puzzle is very similar to Star Battle, where you need to place 2 stars instead of 1 crown per region. Users often refer to this puzzle as an interesting cross between Sudoku and Minesweeper. The goal: Place a crown in every row, every column, and every region, but make sure that the crowns do not touch, even diagonally! Every puzzle has exactly one solution, which can be found through logic reasoning. No guessing… More about Queens: Logic Puzzles

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…no unlocking required. - Unlimited hints that guide, not just give away the answer. - Option to check your solution at any time. - Play for free with ads, or remove them with a one-time purchase. - Expansion packs for even more brain-teasing fun. About the puzzle: Binary Twist is a challenging logic grid puzzle, also known as Tango or Binairo+. It's a unique twist on the classic Binary puzzle (Binairo, Binoxxo, Takuzu, etc.) and identical to the daily Tango puzzle published by LinkedIn. It can be seen as both an object placement puzzle, similar to Star Battle and Queens, and a binary determination puzzle, like Hitori or Nurikabe. The rules: Fill the grid with 0s and 1s, making sure that: - Each row and column contains an equal number of 0s and 1s. - There are never more than two adjacent 0s or 1s. - All (not-)equal signs are satisfied. Every puzzle… More about Binary Twist: Logic Puzzles

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…first ten puzzles for free with no ads, no nags and full functionality. 720 more puzzles are available for purchase in groups of thirty, for hours of puzzling fun! "Easy to use. I enjoy these more than the books." "I've always loved Dell's logic problems and this app is just like the classics." "I found it to be incredibly intuitive and user friendly. Def worth 5 stars!!!" "Always enjoyed the puzzle books before...But this app is great...Very challenging and fun to solve." Keep your mind sharp with these stimulating logic problems that will exercise your brain muscles — a great introduction to deductive reasoning! Enjoy a range of problems at multiple difficulty levels. No more erasing. Multi-level undo and Auto-X let you focus on the logic. If you get stuck, you can choose to erase errors or get a hint. Zoom the grid to fit… More about Hard Penny Dell Logic Puzzles

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…Webster as a 9-by-9 grid puzzle in which the grid is divided into 3-by-3 boxes. Every row, column and box must contain the numbers one through nine, no repeats. What are the 3 rules of Sudoku? 1. Each row should have numbers 1-9, no repeats 2. Each column should have numbers 1-9, no repeats 3. Each 3x3 quadrant should have numbers 1-9, no repeats What are the benefits of sudoku? This puzzle, like any game of logic, is a workout for your brain. Healthline reported in May of 2019 on a cross-sectional study showing participants who engaged in games like sudoku and crosswords performed better on subsequent tests. FEATURES • No ads • Unlimited puzzle • Unique solution for each puzzle • 5 difficulty levels • Score is based on decreasing multiplier • 1 hint and 3 mistakes • Pencilmarks feature for solving hard puzzles • Two kinds of candidates… More about Sudoku - No ADS Puzzle Game

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…intellectual entertainment to puzzle fans of all skills and ages. The game features a ruler to help viewing and comparing rows or columns, counters to show how many X and O there are in each row and column, and pencilmarks to place temporary X or O when solving very hard puzzles. To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format. For more fun, Tic-Tac-Logic contains no ads and includes a Weekly Bonus section providing an extra free puzzle each week. PUZZLE FEATURES • 120 free Tic-Tac-Logic puzzles • 30 extra-large puzzles bonus for iPad only • Extra bonus puzzle published free each week • Multiple difficulty levels from very easy to extremely hard • Grid sizes up to 18x24 • Puzzle library continuously… More about Tic-Tac-Logic: X or O?

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…with five smart word and logic games you can play offline and as much as you want! Whether you love wordplay, number puzzles, or category challenges, this collection has something for every mood. What’s Inside Wordly – Guess the hidden word in 6 tries. Word Ladder – Transform one word into another, one letter at a time. Word Chain – Build a chain where each pair of words connects naturally (like Tree Trunk, Trunk Show, Show Stopper). Hidato – Connect numbers in order to fill the grid. Cluster Crush – Group words into matching categories before the time runs out. Why You’ll Love It Five games in one app – word, logic, and number puzzles Play offline – perfect for flights, commutes, or quiet breaks Unlimited puzzles – no waiting for tomorrow’s challenge Simple, clean design focused on fun Short, satisfying rounds to fit any schedule Free to play with light ads to support development … More about Wordsmith Puzzles

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…brain workout: fill the grid with unique numbers in every row and column, just like Sudoku. But there’s a twist — math-based regions must reach a target using addition, subtraction, multiplication, or division. ⁕ Challenge Your Brain Wisdoku blends logic, numbers, and math for an educational puzzle experience that’s both relaxing and stimulating. ⁕ Quick or Zen — You Choose Race the timer for a quick challenge, or enter zen mode to relax without pressure. Play at your pace. ⁕ Daily Puzzles & Leaderboards Solve new puzzles every day and compare your time with solvers worldwide. ⁕ Customizable Themes Enjoy beautiful, minimal designs with automatic light and dark modes. ⁕ No Ads. No Limits. No Distractions. Just pure number puzzle fun. Wisdoku is perfect for fans of Sudoku, and other logic games. It’s a calm but challenging way to practice math, train your brain, and unwind. Try it free — then unlock unlimited puzzles forever. More about Wisdoku: Logic Puzzle Game

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Train your brain with Cross Logic. A clean, modern number puzzle where every move counts. Each puzzle gives you a grid of numbers and target sums for every row and column. Your goal is simple: erase or confirm numbers so the remaining ones add up exactly to the targets. No guessing. No timers. Just pure logic. Cross Logic starts easy and slowly grows into a deep challenge. Perfect for anyone who loves relaxing puzzle games. Features • Clean, modern, minimalistic design • Smooth gameplay with Erase & Confirm modes • Endless levels with gradually increasing difficulty • iPhone + iPad support • Fully offline, no accounts, no ads during gameplay • Dark, elegant visuals for long sessions • Logical puzzles, never guess, always deduce • Simple controls, deep strategy Think smarter, not harder and discover your perfect flow. More about Cross Logic

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…the dot home! How it works: -Each grid has one dot, and one home space -The dot can only move to colored spaces -Use tabs on the side of the grid to draw paths of color -Retract and redraw paths as necessary -Move that dot home! Easy to learn, difficult to master -Start with 3x4 grids to learn the ropes -Up the challenge with 4x4 grids -Put yourself to the real test with 4x5 grids Daily Puzzles -Timed puzzles, share your score with friends -Puzzles increase in difficulty throughout the week -Build your streak! Pathways PRO -Access all 225 puzzles (+ future puzzles) -Access Daily Puzzle archive to play old puzzles -Create your own levels, share with friends and/or submit to Pathways to be featured Why Pathways? -All levels are designed by humans - not robots! -Simple rules, yet challenging solutions -No ads, no wifi required Up for the challenge? Download… More about Pathways: Spatial Logic Puzzle

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