Modulo vs GreyOut

Exercise your brain with Modulo – the ultimate sliding puzzle game that bends the borders of logic! Are you ready to boost your IQ and spatial awareness? Modulo reinvents the classic sliding block puzzle by adding a mind-bending twist: The Modulo Effect. It is not just a game; it is a relaxing yet challenging brain workout designed for puzzle lovers. THE MODULO EFFECT: A NEW WAY TO SOLVE Forget traditional boundaries. In Modulo, the grid is an infinite loop. When you slide a tile off the edge, it wraps around and reappears on the opposite side. Match the board to the "Target" pattern in the fewest moves possible. Simple to learn, but hard to master! WHY YOU WILL LOVE MODULO: UNIQUE LOGIC MECHANIC Experience a seamless wrapping mechanic that challenges your critical thinking. Perfect for fans of Sudoku, Rubik's Cube, and math puzzles. DAILY BRAIN TRAINING Keep your mind sharp with new challenges every day. Improve your concentration, pattern recognition, and short-term memory with our handcrafted daily puzzles. COMPETE GLOBALLY Climb the Global Leaderboards. Solve grid puzzles faster than anyone else and prove you are the true Logic Master. Filter ranks by difficulty or grid size. RELAXING & MINIMALIST Enjoy a sleek, dark-themed UI that helps you focus. No distractions, just pure logic. It is the perfect anxiety relief and calming game for your breaks. ENDLESS MODES Customize your gameplay! Choose from Numbers, Colors, or Letters. Whether you want a quick 3x3 warm-up or a hardcore 6x6 expert challenge, Modulo adapts to your skill level. TOOLS FOR SUCCESS • Target Preview: Check your goal anytime without losing focus. • Undo Move: Made a mistake? Fix it instantly. • Stats Tracker: Monitor your progress and best times. Join thousands of players in this addictive loop puzzle adventure. Whether you are a casual player looking for a fun riddle or a hardcore solver aiming for the #1 spot, Modulo is your next obsession. Download Modulo now and start sliding, wrapping, and solving! Contact & Support: Have feedback or found a bug? Check the settings menu to contact us. Privacy Policy & Terms of Use are available within the app.

Grey Out is a minimalist logic puzzle that will test your mind in the most satisfying way possible. HOW TO PLAY Each level presents a 5×5 grid of glowing cells. Tap any cell and it — along with its four neighbors — flips state. Your goal: turn every cell grey. Simple rules. Endless depth. 24 HANDCRAFTED LEVELS Progress through four chapters of increasing challenge: • Beginner — Learn the core mechanic with elegant one- and two-move solutions • Intermediate — Four- and five-tap puzzles that introduce spatial thinking • Advanced — Up to nine simultaneous effects demanding careful planning • Expert — Twelve-tap masterpieces where one wrong move unravels everything DAILY CHALLENGE A brand-new puzzle every day, seeded by the date so everyone plays the same one. Build your streak and see how far you can go. BUILT-IN HINT SYSTEM Stuck? The hint system uses an exact mathematical solver — Gaussian elimination over GF(2) — to find the next optimal move. No guessing, no randomness: provably correct guidance every time. EARN UP TO 3 STARS PER LEVEL - 3 stars: Solve at or below par - 2 stars: Within 60% above par - 1 star: Any solution POLISH THROUGHOUT • Procedurally synthesized sound — no audio files, every tap sound is computed live • Haptic feedback tuned to match the rhythm of each action • Animated wave effect ripples across affected cells on every tap • Confetti celebration when you crack a tough puzzle • Full VoiceOver support NO ACCOUNTS. NO ADS. NO TRACKING. Grey Out stores your progress locally on your device. Nothing is collected, nothing is shared.