Slitherlink

Slitherlink with original unique 5×5, 7×7 and 9×9 cell puzzles. Every printed 0–3 counts its four bordering lines; blank cells are unrestricted. Draw a single closed, non-branching loop with no open ends or separate components. Ordinary keyboard dot/path drawing, mouse/touch gap and path drag, a native outside keypad, optional X marks, zoom, English/PT Help and original art and audio. Solo has counted optional hints; exact local 2 uses hidden independent boards and active clocks; exact online 2/3/4 races the same seeded challenge for eight minutes, with host rule-checked solved-time competition ranks and unfinished players tied last. Casual host outcomes are unverified; departure or backgrounding aborts, with no reconnect or host migration. 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.