# BrainTrainGridPuzzle > Polyomino puzzle game testing spatial reasoning with progressive and fixed grid challenges. (iPhone/iPad app by Brian Steele.) - Source: https://appshunter.io/ios/app/braintraingridpuzzle/id6755795971 (this page in markdown: same URL + `.md`) - Developer: [Brian Steele](https://appshunter.io/developer/1852870123) - Category: Games, Puzzle, Strategy - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 13.0 · 18 MB - Languages: American English - Released: 2025-11-27 - Data updated: 2026-06-06 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/braintraingridpuzzle/id6755795971/reviews.md ## What is BrainTrainGridPuzzle? Brain Training Grid Puzzle is the ultimate polyomino puzzle game that will test your spatial reasoning and problem-solving skills! HOW TO PLAY Drag and drop colorful polyomino pieces (like Tetris shapes) onto the grid. Fill the entire board to complete each puzzle. Sounds simple? Think again! As grids get larger, the challenge intensifies. GAME MODES PROGRESSIVE MODE Start with a cozy 3x3 grid and work your way up infinitely! Each successful solve unlocks a larger grid. How far can you go? This endless mode will push your skills to the limit. FIXED SIZE CHALLENGES Choose your difficulty: 4x4: Quick warm-up puzzles 10x10: Moderate brain teasers 15x15: Expert-level challenges ROTATING MODE Ready for extreme difficulty? Pieces appear with random rotations, forcing you to visualize solutions from every angle. Master this mode to prove your puzzle prowess! FEATURES Smart Piece Placement Intuitive drag-and-drop controls with visual feedback Green shadow shows valid placement, red warns of conflicts Intelligent snapping helps you place pieces accurately Scroll through available pieces with easy navigation arrows Competitive Leaderboards Track your best completion times for each grid size Compete globally with players worldwide Filter leaderboards by grid size and game mode See your rank and challenge yourself to improve Beautiful Design Clean, colorful interface with smooth animations Satisfying piece placement feedback Responsive touch controls optimized for mobile Dark mode support for comfortable late-night puzzling Need Help? Stuck on a puzzle? Reveal the solution (no points awarded) Remove pieces back to available pool anytime No penalties - experiment freely to find solutions PERFECT FOR Brain Training Enthusiasts - Exercise your spatial reasoning daily Puzzle Game Fans - Fresh twist on classic polyomino gameplay Competitive Players - Chase high scores and leaderboard glory Casual Gamers - Pick up and play anywhere, anytime Students and Adults - Sharpen problem-solving skills at any age WHY YOU WILL LOVE IT No ads interrupting your flow state Offline play supported - puzzle anywhere Quick sessions or marathon solving sprees Infinitely replayable with procedurally generated puzzles Regular updates with new features and improvements Whether you are a puzzle veteran or new to spatial games, Brain Training Grid Puzzle offers the perfect challenge. Start with smaller grids to learn the ropes, then tackle increasingly complex boards as your skills improve. Download now and discover why thousands of players are addicted to fitting those perfect polyomino pieces! Can you conquer the 25x25 grid? ## Key features - Polyomino piece placement - Progressive and fixed grid modes - Rotating piece challenges - Smart piece placement with visual feedback - Competitive global leaderboards - Offline play support - Dark mode support ## Frequently asked questions about BrainTrainGridPuzzle ### What is BrainTrainGridPuzzle? BrainTrainGridPuzzle is a free mobile game designed to test and improve your spatial reasoning and problem-solving skills through polyomino puzzles. It features various game modes and intuitive controls. ### How do you play BrainTrainGridPuzzle? You play by dragging and dropping colorful polyomino pieces onto a grid to fill it completely. The game provides visual feedback for valid placements and warns of conflicts. ### What game modes are available in BrainTrainGridPuzzle? BrainTrainGridPuzzle offers Progressive Mode for infinite grid scaling, Fixed Size Challenges with various grid dimensions (4x4, 10x10, 15x15), and Rotating Mode for extreme difficulty. ### Does BrainTrainGridPuzzle have ads? No, BrainTrainGridPuzzle is designed to be ad-free, ensuring an uninterrupted flow state for players during their puzzle-solving sessions. ### Can I play BrainTrainGridPuzzle offline? Yes, BrainTrainGridPuzzle supports offline play, allowing you to enjoy the game and sharpen your skills anywhere, anytime, without needing an internet connection. ### Is BrainTrainGridPuzzle suitable for all ages? With a 4+ age rating, BrainTrainGridPuzzle is suitable for a wide range of players, including students and adults looking to sharpen their problem-solving abilities. ### How often is BrainTrainGridPuzzle updated? The app receives regular updates with new features and improvements, ensuring a fresh and evolving puzzle experience for its players. The latest version is 1.0, released on November 27, 2025. ### What makes BrainTrainGridPuzzle stand out from other puzzle games? It offers a unique polyomino puzzle experience with smart placement assistance, global leaderboards for competitive play, and a clean, colorful interface with dark mode support, all without ads. ## Version history (last 1 release) ### 1.0 — 2025-11-27 No release notes. ## More apps by Brian Steele - [Sportchat Pro](https://appshunter.io/ios/app/sportchat-pro/id6755251364) - [Brain Quiz Game](https://appshunter.io/ios/app/brain-quiz-game/id6755667644) - [Brick Breaker AI](https://appshunter.io/ios/app/brick-breaker-ai/id6755963186) - [SG Reading Buddy](https://appshunter.io/ios/app/sg-reading-buddy/id6759342080) All apps by Brian Steele: https://appshunter.io/developer/1852870123 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-06.*