Monoline: One Line Puzzle

Monoline is a beautifully minimal one-line puzzle. Connect every dot in a single, unbroken stroke — never lift your finger, and never retrace a line. Simple to learn, wonderfully hard to master. Every puzzle is hand-verified to be solvable in one perfect stroke, so there's always a way through. FEATURES • 505 handcrafted levels — from gentle warm-ups to intricate 80+ line webs • One-way line puzzles — a clever new twist on the rules • Earn up to 3 stars per level and climb the ranks from Novice to Legend • Unlockable themes to restyle the board • Daily Challenge with a streak to keep alive • Smart hints when you're stuck • Satisfying sound and haptics on every connection • Play offline, anywhere — free to play • Now in 8 languages