Contour Line

Original unique5×5/7×7/9×9cell Slitherlink puzzles. Every printed0–3counts its four bordering lines;blankcells unrestricted. A single closed nonbranching loop with no open ends or separate components. Ordinary keyboard dot/path drawing,mouse/touch gap and path drag,native outside keypad,optional Xmarks,zoom,English/PT Help and original art/audio. Solo counted optional hints;exactlocal2 hidden independent boards/active clocks;exactonline2/3/4 same seeded challenge,eight-minute host rule-checked solved-time competition ranks,unfinished tied last. Casual host outcomes unverified;departure/background aborts,no reconnect/hostmigration. Full rematch.

Arrows/WASD immediate dot cursor;Shift+arrow draws to adjacent dot and moves;Space toggles selected edge.1line,2/X/right-click/450ms touch exclusion,Delete clears,Enter checks separately. Native point/row/column/direction and outside keypad;drag adjacent dot path previews and commits once on release inside;cancel/outside/blur/rotation never edits. Ctrl/Cmd Undo/Redo,Tab visible native focus,real dense zoom/panning,English/PT Help,Mmute,Rconfirmed restart,Hcounted solo hint. Exactlocal2 private handoff/active clocks;online2/3/4 eight-minute same-challenge casual unverified race. Portrait preferred;landscape works.