One Line: Draw Puzzle

Draw every line in a single stroke, without lifting your finger and without going over a line twice. Easy to learn, surprisingly deep. • 60 handcrafted levels built in, from gentle warm-ups to real brain-teasers • 210 more in free downloadable packs, from Coffee Break to Expert Gauntlet • A new daily puzzle every day, with a leaderboard • An all-time leaderboard: collect stars to climb it • A winding level map that lights up as you progress • Double lines you must trace twice, and one-way lines with a fixed direction • Hints whenever you're stuck, plus undo and restart • Clean, calm design that's easy on the eyes • Plays fully offline, with no ads and no account needed Optional sign-in with Apple or Google backs up your progress and carries it to your other phones. Perfect for a coffee break, a commute or winding down before bed.