LinkLines ©

AI auto-generated grid, for endless play. Route water through a living grid. Link matching color valves to build pipes, fill every cell, and never cross a line. Levels are AI auto-generated, so the challenge never runs out. Why it feels good • Satisfying path-drawing with silky animations • Crisp haptics and soft audio feedback • Instant restarts and an undo that respects your skill Why you’ll keep coming back • Infinite levels with smart difficulty ramp • “No crossing” rule creates real logic, not guesswork • Themes to match your mood • Play offline with no timers and no ads • Game Center leaderboards and achievements Core features • Auto-generated puzzles across multiple board sizes • Clean UI with readable type and large touch targets • Undo, New, and optional Solve for learning the patterns • Sound and haptics toggles • Battery-friendly rendering Accessibility • High-contrast color theme option • Haptics can be disabled • One-hand play on all devices No ads. No loot boxes. Just pure puzzle.