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Connect every line once. Daily puzzles and endless levels.
One Stroke: Line Draw Puzzle Generated dot-to-dot puzzles with a guaranteed single-stroke solution. No timer or move limit. Play offline with free Undo and Restart. Draw over every line exactly once. Touch a dot and drag from dot to dot. You may revisit dots, but cannot reuse a line. Lift your finger anytime. Continue from the stroke end. Slide back to erase a line, or use Undo / Restart. Always free. Daily Puzzle. Endless levels are generated from their number and never run out. Puzzles solved, Daily streak tracking. Easy, Medium, Hard, Expert. A short buzz for each line and a finished puzzle. A quiet tick for each line and a completion chime. Mark the two required endpoints on puzzles with odd dots. Free to play without an account. Three daily hints are included. Optional rewarded videos add three hints when a reward is earned; an unavailable video offers a free hint. Automatic fullscreen ads appear only at startup or between completed puzzles, with frequency limits; banners are on Home, Stats and the completed panel. No automatic ad interrupts an active stroke. Google ads may process device identifiers, diagnostics and ad interactions according to consent and Google policy. Settings offers privacy choices where required and consent retry. Progress and preferences are stored on the device and may be included in Android backup depending on your settings. Reset progress in Settings; clear app storage or uninstall to remove preferences, and manage backups in Android. Language supports System and 17 languages. Feedback opens an optional Tally form in your browser with app, app name, version, build, platform, device, OS, locale and source only. No puzzle seed, drawing or records are sent. Tally processes your submitted feedback. Ads, feedback and policy links require internet; puzzles work offline.