Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
About
One line. Every square. A clean, surprisingly deep one-stroke puzzle: just trace the numbers in order, 1 → 2 → 3. A fresh “daily puzzle” turns spare minutes into the perfect little brain break. ■ Simple to play - Start your line at ① - Pass the numbers in order: ① → ② → ③ … - Cover every open square exactly once (dark blocks are walls) - Finish on the last number. Just drag — rub back to erase ■ Why you’ll like it - Always fair: every board is checked by a real solver, so there’s exactly one solution — never guesswork - Endless: auto-generated boards, so no two puzzles feel the same - Four difficulties: gentle 6×6, 7×7, hard 8×8, and a fiendish 8×8 - Track progress: clears, streak, best times, no-hint rate - Works offline ■ Made for you if… - You want a quick, satisfying “solved!” in a spare moment - You love logic puzzles but hate unfair, ambiguous ones - You’d like a small daily habit to keep your mind moving - You appreciate a clean, grown-up design ■ Private by design - No account, no sign-in - Your stats stay on your device — nothing is sent to a server
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