PairLock vs Serialogic

PairLock is the memory match game with a twist you've never seen before. Flip cards, find matching pairs, and connect them with a line. But here's the catch: your lines can never cross. It's the memory game you know, with a puzzle layer you don't. HOW TO PLAY Tap cards to flip them. Find two matching symbols and they stay face up, connected by a colored line. But every line you draw creates a web. Match too quickly without thinking and you'll box yourself in. Plan your pairs carefully to avoid crossed lines and earn a perfect score. GAME MODES - Classic: Progress through hundreds of levels across Beginner, Intermediate, Expert, and Master difficulty. Earn up to 3 stars on every board. - Daily Challenge: A unique puzzle every day. Race the clock and share your result with friends. - Sprint: How many boards can you clear in 2 minutes? Push your speed and memory to the limit. - Challenge a Friend: Send a custom puzzle link and see who solves it in fewer flips. FEATURES - 100% offline, no wifi needed - Multiple symbol sets: Geometric, Nature, Abstract - Card back styles: Classic, Minimal, Dots, Waves - Colorblind-friendly mode with distinct line patterns - Achievements for streaks, perfect solves, and milestones - Stats tracking: flips, streaks, completion rate - Haptic feedback and satisfying sound design - Dark mode support - Works on phones and tablets BRAIN TRAINING THAT FEELS LIKE A GAME PairLock exercises your memory, spatial reasoning, and planning skills all at once. Every board is a mini puzzle that rewards both recall and strategy. Perfect for a quick mental break or a long puzzle session. Great for: - Commute puzzles - Mindful breaks between tasks - Bedtime wind-down - Competing with friends - Brain exercise for all ages PAIRLOCK PRO Upgrade to PairLock Pro for a one-time purchase that removes all ads forever and unlocks all symbol sets and card backs. No subscriptions, no recurring charges. Download PairLock and put your memory to the test. MORE PUZZLE GAMES FROM MAROON LABS - VoidKnot: Untangle crossing lines - BlockSlip: Slide blocks to escape Built with care by Maroon Labs in Minnesota, USA. Questions? support@maroonlabs.co Privacy: maroonlabs.co/privacy

The perfect move exists. It is shown. Serialogic prints the smallest number of moves that solves the level at the top of the screen, while you play. An exact solver found that number before the level shipped. You are no longer looking for a solution. You are looking for the solution. WHAT MAKES IT DIFFERENT In an ordinary sorting game every solution is worth the same, so tapping until it works out is enough. Here the minimum is known and announced, which turns each level into an optimisation problem. The board also shows, before you commit, how many tokens each destination would take — information the genre simply does not give you. This is golf, not fumbling. THE RULES, IN FOUR LINES Coloured tokens sit mixed across vertical threads. Move the token at the end of a thread onto an empty thread, or onto a token of the same colour. A run of identical adjacent tokens moves as one move, up to the space available. You win when every colour is gathered in full on a single thread. WHAT YOU GET 350 levels across 7 tiers, from three colours on five threads to eight colours on ten. Difficulty climbs inside each tier as much as from one tier to the next. The first three tiers — 150 of the 350 levels — are proven free of dead ends. Every reachable position was enumerated, not sampled. Beyond that a dead end is possible, and a safety net checks after each move that a win is still within reach, telling you the moment it is not. A single undo always brings you back. Undo is free, unlimited, and costs no star. Only the moves of your final solution count. There is no timer anywhere in the app: a clock beside a move count would push you to hurry on a dimension that measures nothing. Nine themes in light and dark, six typefaces, forty-four languages. Progress syncs through iCloud. Game Center achievements and leaderboards. WHAT IS NOT IN IT No advertising, and there never will be. No subscription. No account. No analytics, no tracking, no third-party SDK of any kind. No network request is ever made: all 350 levels ship inside the app and play in airplane mode, from the first level to the last. The first 150 levels are complete and cost nothing. They sit entirely inside the proven-safe range, so a player who has not paid cannot get stuck. The remaining 200 unlock with a single purchase, once. Nothing recurring. BUILT TO BE READ Six typefaces including OpenDyslexic and Andika, applied to the whole interface. VoiceOver on every thread, announcing each token's colour and fill. Dynamic Type. Reduced motion. Token fill — disc or ring — already tells half the colours apart without relying on colour at all, and a colour-blind mode replaces green with violet. iPhone and iPad on iOS 17 or later, Mac on macOS 14 or later. One purchase covers all three. Serialogic is the fourth in a family of Bauhaus logic games, after KubiLogic, LineaLogic and Tektologic. Privacy policy: https://www.michaeldardol.com/serialogic/en/privacy/ Questions and bug reports: michael@caliapps.fr