Lights Out Arcade vs GreyOut

Turn off the lights and test your logic skills in this beautifully crafted puzzle game. Lights Out is the timeless brain teaser where every tap matters. Touch a light to toggle it and its neighbours - but be careful, each move changes the board in unexpected ways. Your goal: switch off every light using the fewest moves possible. FOUR DIFFICULTY LEVELS - Practice: Learn the ropes with unlimited hints - Easy: 10 hints to guide your strategy - Medium: 5 hints for a balanced challenge - Hard: No hints - pure puzzle solving FEATURES - Classic 5x5 grid gameplay - Smart hint system powered by mathematical algorithms - Timer and move counter to track your efficiency - Personal statistics and high scores - Satisfying haptic feedback - Clean, arcade-inspired design Whether you have five minutes or fifty, Lights Out offers the perfect mental workout. Simple to learn, endlessly challenging to master. From ArcadeGeek LTD - bringing classic games to modern devices.

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.