Sudoku Gr\u00e1tis Online | DYNSEO<\/title> <\/p>\n<style> * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Segoe UI', sans-serif; background: #f8f9fa; color: #333; } .container { max-width: 500px; margin: 0 auto; padding: 15px; }  .article-header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 25px 15px; text-align: center; border-radius: 0 0 20px 20px; margin-bottom: 20px; } .article-category { display: inline-block; background: rgba(255,255,255,0.2); padding: 5px 15px; border-radius: 15px; font-size: 0.8rem; margin-bottom: 8px; } .article-header h1 { font-size: 1.6rem; margin-bottom: 5px; } .article-header .subtitle { font-size: 0.9rem; opacity: 0.9; }  .game-container { background: white; border-radius: 15px; padding: 20px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); margin-bottom: 20px; }  \/* Difficulty *\/ .difficulty-row { display: flex; gap: 6px; justify-content: center; margin-bottom: 15px; flex-wrap: wrap; } .diff-btn { padding: 8px 12px; border: 2px solid #e0e0e0; background: white; border-radius: 20px; font-size: 0.75rem; font-weight: 500; cursor: pointer; transition: all 0.3s; } .diff-btn:hover { border-color: #667eea; } .diff-btn.active { border-color: #667eea; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; }  \/* Stats *\/ .game-stats { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; } .stat-box { text-align: center; padding: 8px 15px; background: #f8f9fa; border-radius: 10px; } .stat-value { font-size: 1.2rem; font-weight: 700; color: #667eea; display: block; } .stat-label { font-size: 0.65rem; color: #666; text-transform: uppercase; }  \/* Sudoku Grid *\/ .sudoku-wrapper { display: flex; justify-content: center; margin-bottom: 15px; } .sudoku-grid { display: grid; grid-template-columns: repeat(9, 1fr); width: 100%; max-width: 340px; border: 3px solid #333; border-radius: 5px; background: #333; }  .sudoku-cell {  aspect-ratio: 1;  background: white;  display: flex;  align-items: center;  justify-content: center;  font-size: 1.2rem;  font-weight: 600;  cursor: pointer;  border: 1px solid #ccc; transition: background 0.15s; }  \/* Bordures 3x3 *\/ .sudoku-cell:nth-child(3n) { border-right: 2px solid #333; } .sudoku-cell:nth-child(9n) { border-right: none; } .sudoku-cell:nth-child(n+19):nth-child(-n+27) { border-bottom: 2px solid #333; } .sudoku-cell:nth-child(n+46):nth-child(-n+54) { border-bottom: 2px solid #333; }  .sudoku-cell:hover { background: #e8e8ff; } .sudoku-cell.selected { background: #c5cae9 !important; } .sudoku-cell.highlight { background: #f5f5f5; } .sudoku-cell.same-num { background: #e3f2fd; } .sudoku-cell.fixed { color: #333; } .sudoku-cell.user { color: #667eea; } .sudoku-cell.error { color: #e74c3c !important; background: #ffebee !important; }  \/* Number Pad *\/ .number-pad { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; max-width: 280px; margin: 0 auto 15px; } .num-btn { padding: 12px 8px; border: 2px solid #e0e0e0; background: white; border-radius: 8px; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: all 0.2s; } .num-btn:hover { border-color: #667eea; background: #f8f9ff; } .num-btn:active { transform: scale(0.95); } .num-btn.done { opacity: 0.3; }  \/* Controls *\/ .game-controls { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; } .control-btn { padding: 10px 16px; border: none; border-radius: 10px; font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: all 0.3s; } .control-btn.primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; } .control-btn.secondary { background: #f0f0f0; color: #333; }  \/* CTA *\/ .cta-banner { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 15px; padding: 20px; color: white; text-align: center; margin-bottom: 20px; } .cta-banner h3 { font-size: 1rem; margin-bottom: 8px; } .cta-banner p { font-size: 0.8rem; opacity: 0.9; margin-bottom: 10px; } .apps-row { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; } .app-badge { background: white; color: #667eea; padding: 6px 12px; border-radius: 15px; font-weight: 600; text-decoration: none; font-size: 0.75rem; }  \/* Modal *\/ .modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 15px; } .modal-overlay.active { display: flex; } .modal { background: white; padding: 25px; border-radius: 20px; text-align: center; max-width: 320px; width: 100%; } .modal-icon { font-size: 3rem; margin-bottom: 10px; } .modal h2 { color: #667eea; font-size: 1.3rem; margin-bottom: 10px; } .modal p { color: #666; margin-bottom: 15px; font-size: 0.9rem; } .modal-buttons { display: flex; flex-direction: column; gap: 10px; } .modal-btn { padding: 12px; border: none; border-radius: 10px; font-size: 0.9rem; font-weight: 600; cursor: pointer; text-decoration: none; display: block; } .modal-btn.primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; } .modal-btn.cta { background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%); color: white; }  \/* SEO *\/ .seo-content { background: white; border-radius: 15px; padding: 20px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); } .seo-content h2 { color: #667eea; font-size: 1.2rem; margin-bottom: 12px; border-bottom: 2px solid #667eea; padding-bottom: 8px; } .seo-content p { font-size: 0.85rem; margin-bottom: 10px; color: #555; line-height: 1.5; }  \/* Footer *\/ .article-footer { text-align: center; padding: 20px 15px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border-radius: 20px 20px 0 0; margin-top: 25px; } .article-footer a { color: white; margin: 0 8px; font-size: 0.8rem; }  @media (min-width: 400px) { .sudoku-cell { font-size: 1.4rem; } .sudoku-grid { max-width: 380px; } } <\/style>\n<p><\/head><body> <\/p>\n<header class=\"article-header\"> <\/p>\n<div class=\"article-category\">\ud83d\udd22 L\u00f3gica<\/div>\n<p> <\/p>\n<h1>Sudoku Gr\u00e1tis<\/h1>\n<p> <pee class=\"subtitle\">Treine sua l\u00f3gica!<\/pee> <\/header>\n<p>  <\/p>\n<div class=\"container\"> <\/p>\n<div class=\"cta-banner\"> <\/p>\n<h3>\ud83e\udde0 Voc\u00ea gosta de jogos de l\u00f3gica?<\/h3>\n<p> <pee>30+ exerc\u00edcios em nossos aplicativos!<\/pee> <\/p>\n<div class=\"apps-row\"> <a href=\"https:\/\/www.dynseo.com\/version-coco\/\" class=\"app-badge\">\ud83d\udc76 COCO<\/a> <a href=\"https:\/\/www.dynseo.com\/jeux-de-memoire\/joe-jeux-memoire-adulte\/\" class=\"app-badge\">\ud83e\uddd1 JOE<\/a> <a href=\"https:\/\/www.dynseo.com\/tablette-memoire-senior-edith\/\" class=\"app-badge\">\ud83d\udc74 EDITH<\/a> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"game-container\"> <\/p>\n<div class=\"difficulty-row\" id=\"diff-row\"> <button class=\"diff-btn\" data-level=\"easy\">\ud83d\udfe2 F\u00e1cil<\/button> <button class=\"diff-btn active\" data-level=\"medium\">\ud83d\udfe1 M\u00e9dio<\/button> <button class=\"diff-btn\" data-level=\"hard\">\ud83d\udfe0 Dif\u00edcil<\/button> <button class=\"diff-btn\" data-level=\"expert\">\ud83d\udd34 Expert<\/button> <\/div>\n<p>  <\/p>\n<div class=\"game-stats\"> <\/p>\n<div class=\"stat-box\"><span class=\"stat-value\" id=\"timer\">0:00<\/span><span class=\"stat-label\">Tempo<\/span><\/div>\n<p> <\/p>\n<div class=\"stat-box\"><span class=\"stat-value\" id=\"errors\">0\/3<\/span><span class=\"stat-label\">Erros<\/span><\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"sudoku-wrapper\"> <\/p>\n<div class=\"sudoku-grid\" id=\"grid\"><\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"number-pad\" id=\"numpad\"><\/div>\n<p>  <\/p>\n<div class=\"game-controls\"> <button class=\"control-btn primary\" id=\"new-btn\">\ud83d\udd04 Novo<\/button> <button class=\"control-btn secondary\" id=\"erase-btn\">\u232b Apagar<\/button> <button class=\"control-btn secondary\" id=\"hint-btn\">\ud83d\udca1 Dica<\/button> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<section class=\"seo-content\"> <\/p>\n<h2>O Sudoku: Gin\u00e1stica Cerebral<\/h2>\n<p> <pee>O Sudoku estimula o racioc\u00ednio dedutivo e a concentra\u00e7\u00e3o. Preencha a grade para que cada linha, coluna e bloco 3×3 contenha os n\u00fameros de 1 a 9.<\/pee> <\/section>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"modal-overlay\" id=\"win-modal\"> <\/p>\n<div class=\"modal\"> <\/p>\n<div class=\"modal-icon\">\ud83c\udf89<\/div>\n<p> <\/p>\n<h2>Parab\u00e9ns!<\/h2>\n<p> <pee>Sudoku resolvido em <span id=\"final-time\">0:00<\/span>!<\/pee> <\/p>\n<div class=\"modal-buttons\"> <button class=\"modal-btn primary\" id=\"modal-new\">\ud83d\udd04 Novo Sudoku<\/button> <a href=\"https:\/\/www.dynseo.com\/jeux-de-memoire\/joe-jeux-memoire-adulte\/\" class=\"modal-btn cta\" target=\"_blank\">\ud83e\udde0 Descobrir JOE<\/a> <\/div>\n<p> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"modal-overlay\" id=\"lose-modal\"> <\/p>\n<div class=\"modal\"> <\/p>\n<div class=\"modal-icon\">\ud83d\ude05<\/div>\n<p> <\/p>\n<h2>3 erros!<\/h2>\n<p> <pee>Partida encerrada. Tente novamente!<\/pee> <\/p>\n<div class=\"modal-buttons\"> <button class=\"modal-btn primary\" id=\"modal-retry\">\ud83d\udd04 Tentar Novamente<\/button> <\/div>\n<p> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<footer class=\"article-footer\"> <pee><a href=\"https:\/\/www.dynseo.com\/version-coco\/\">COCO<\/a> | <a href=\"https:\/\/www.dynseo.com\/jeux-de-memoire\/joe-jeux-memoire-adulte\/\">JOE<\/a> | <a href=\"https:\/\/www.dynseo.com\/tablette-memoire-senior-edith\/\">EDITH<\/a><\/pee> <\/footer>\n<p>  <script> (function() { \/\/ Grilles pr\u00e9-d\u00e9finies (solution + puzzle) var puzzles = { easy: [ { solution: [5,3,4,6,7,8,9,1,2,6,7,2,1,9,5,3,4,8,1,9,8,3,4,2,5,6,7,8,5,9,7,6,1,4,2,3,4,2,6,8,5,3,7,9,1,7,1,3,9,2,4,8,5,6,9,6,1,5,3,7,2,8,4,2,8,7,4,1,9,6,3,5,3,4,5,2,8,6,1,7,9], puzzle: [5,3,0,0,7,0,0,0,0,6,0,0,1,9,5,0,0,0,0,9,8,0,0,0,0,6,0,8,0,0,0,6,0,0,0,3,4,0,0,8,0,3,0,0,1,7,0,0,0,2,0,0,0,6,0,6,0,0,0,0,2,8,0,0,0,0,4,1,9,0,0,5,0,0,0,0,8,0,0,7,9] } ], medium: [ { solution: [1,2,3,4,5,6,7,8,9,4,5,6,7,8,9,1,2,3,7,8,9,1,2,3,4,5,6,2,3,4,5,6,7,8,9,1,5,6,7,8,9,1,2,3,4,8,9,1,2,3,4,5,6,7,3,4,5,6,7,8,9,1,2,6,7,8,9,1,2,3,4,5,9,1,2,3,4,5,6,7,8], puzzle: [0,2,0,4,0,6,0,8,0,4,0,6,0,8,0,1,0,3,0,8,0,1,0,3,0,5,0,2,0,4,0,6,0,8,0,1,0,6,0,8,0,1,0,3,0,8,0,1,0,3,0,5,0,7,0,4,0,6,0,8,0,1,0,6,0,8,0,1,0,3,0,5,0,1,0,3,0,5,0,7,0] } ], hard: [ { solution: [8,2,7,1,5,4,3,9,6,9,6,5,3,2,7,1,4,8,3,4,1,6,8,9,7,5,2,5,9,3,4,6,8,2,7,1,4,7,2,5,1,3,6,8,9,6,1,8,9,7,2,4,3,5,7,8,6,2,3,5,9,1,4,1,5,4,7,9,6,8,2,3,2,3,9,8,4,1,5,6,7], puzzle: [0,0,0,0,0,0,3,0,0,9,0,0,0,0,7,0,0,8,0,4,0,6,0,0,0,5,0,0,0,3,0,6,0,0,7,0,4,0,0,0,1,0,0,0,9,0,1,0,0,7,0,4,0,0,0,8,0,0,0,5,0,1,0,1,0,0,7,0,0,0,0,3,0,0,9,0,0,0,0,0,0] } ], expert: [ { solution: [4,8,3,9,2,1,6,5,7,9,6,7,3,4,5,8,2,1,2,5,1,8,7,6,4,9,3,5,4,8,1,3,2,9,7,6,7,2,9,5,6,4,1,3,8,1,3,6,7,9,8,2,4,5,3,7,2,6,8,9,5,1,4,8,1,4,2,5,3,7,6,9,6,9,5,4,1,7,3,8,2], puzzle: [0,0,0,9,0,0,0,0,0,0,0,7,0,4,0,0,2,0,0,5,0,0,0,6,4,0,0,0,4,0,0,0,0,9,0,0,7,0,0,5,0,4,0,0,8,0,0,6,0,0,0,0,4,0,0,0,2,6,0,0,0,1,0,0,1,0,0,5,0,7,0,0,0,0,0,0,0,7,0,0,0] } ] };  var currentPuzzle = null; var currentSolution = null; var userGrid = []; var fixedCells = []; var selectedCell = -1; var errors = 0; var maxErrors = 3; var difficulty = 'medium'; var timerInterval = null; var seconds = 0;  function init() { \/\/ Difficulty buttons var diffBtns = document.querySelectorAll('.diff-btn'); for (var i = 0; i < diffBtns.length; i++) { diffBtns[i].onclick = function() { for (var j = 0; j < diffBtns.length; j++) diffBtns[j].classList.remove('active'); this.classList.add('active'); difficulty = this.getAttribute('data-level'); newGame(); }; }  \/\/ Number pad var numpad = document.getElementById('numpad'); for (var n = 1; n <= 9; n++) { var btn = document.createElement('button'); btn.className = 'num-btn'; btn.textContent = n; btn.setAttribute('data-num', n); btn.onclick = function() { enterNum(parseInt(this.getAttribute('data-num'))); }; numpad.appendChild(btn); } var eraseBtn = document.createElement('button'); eraseBtn.className = 'num-btn'; eraseBtn.textContent = '\u232b'; eraseBtn.onclick = function() { enterNum(0); }; numpad.appendChild(eraseBtn);  \/\/ Controls document.getElementById('new-btn').onclick = newGame; document.getElementById('erase-btn').onclick = function() { enterNum(0); }; document.getElementById('hint-btn').onclick = giveHint; document.getElementById('modal-new').onclick = function() { closeModal('win-modal'); newGame(); }; document.getElementById('modal-retry').onclick = function() { closeModal('lose-modal'); newGame(); };  \/\/ Grid click document.getElementById('grid').onclick = function(e) { var cell = e.target; if (cell.classList.contains('sudoku-cell')) { var idx = parseInt(cell.getAttribute('data-idx')); selectCell(idx); } };  \/\/ Keyboard document.onkeydown = function(e) { if (selectedCell < 0) return; var key = e.key; if (key >= '1' && key <= '9') enterNum(parseInt(key)); else if (key === 'Backspace' || key === 'Delete') enterNum(0); else if (key === 'ArrowUp' && selectedCell >= 9) selectCell(selectedCell - 9); else if (key === 'ArrowDown' && selectedCell < 72) selectCell(selectedCell + 9); else if (key === 'ArrowLeft' && selectedCell > 0) selectCell(selectedCell - 1); else if (key === 'ArrowRight' && selectedCell < 80) selectCell(selectedCell + 1); };  newGame(); }  function newGame() { \/\/ Pick random puzzle var puzzleList = puzzles[difficulty]; var p = puzzleList[Math.floor(Math.random() * puzzleList.length)]; currentSolution = p.solution.slice(); currentPuzzle = p.puzzle.slice(); userGrid = p.puzzle.slice();  fixedCells = []; for (var i = 0; i < 81; i++) { if (currentPuzzle[i] !== 0) fixedCells.push(i); }  selectedCell = -1; errors = 0; seconds = 0;  clearInterval(timerInterval); timerInterval = setInterval(updateTimer, 1000);  document.getElementById('timer').textContent = '0:00'; document.getElementById('errors').textContent = '0\/' + maxErrors;  renderGrid(); updateNumpad(); }  function renderGrid() { var gridEl = document.getElementById('grid'); gridEl.innerHTML = '';  for (var i = 0; i < 81; i++) { var cell = document.createElement('div'); cell.className = 'sudoku-cell'; cell.setAttribute('data-idx', i);  var val = userGrid[i]; if (val !== 0) { cell.textContent = val; if (fixedCells.indexOf(i) >= 0) { cell.classList.add('fixed'); } else { cell.classList.add('user'); if (val !== currentSolution[i]) { cell.classList.add('error'); } } }  \/\/ Highlight if (selectedCell >= 0) { var selRow = Math.floor(selectedCell \/ 9); var selCol = selectedCell % 9; var row = Math.floor(i \/ 9); var col = i % 9; var selBox = Math.floor(selRow \/ 3) * 3 + Math.floor(selCol \/ 3); var box = Math.floor(row \/ 3) * 3 + Math.floor(col \/ 3);  if (i === selectedCell) { cell.classList.add('selected'); } else if (row === selRow || col === selCol || box === selBox) { cell.classList.add('highlight'); }  if (userGrid[selectedCell] !== 0 && userGrid[i] === userGrid[selectedCell] && i !== selectedCell) { cell.classList.add('same-num'); } }  gridEl.appendChild(cell); } }  function selectCell(idx) { selectedCell = idx; renderGrid(); }  function enterNum(num) { if (selectedCell < 0) return; if (fixedCells.indexOf(selectedCell) >= 0) return;  if (num === 0) { userGrid[selectedCell] = 0; } else { if (num !== currentSolution[selectedCell]) { errors++; document.getElementById('errors').textContent = errors + '\/' + maxErrors; if (errors >= maxErrors) { clearInterval(timerInterval); document.getElementById('lose-modal').classList.add('active'); return; } } userGrid[selectedCell] = num; }  renderGrid(); updateNumpad(); checkWin(); }  function updateNumpad() { var counts = {}; for (var n = 1; n <= 9; n++) counts[n] = 0; for (var i = 0; i < 81; i++) { if (userGrid[i] !== 0) counts[userGrid[i]]++; }  var btns = document.querySelectorAll('.num-btn'); for (var i = 0; i < btns.length; i++) { var num = btns[i].getAttribute('data-num'); if (num && counts[parseInt(num)] >= 9) { btns[i].classList.add('done'); } else { btns[i].classList.remove('done'); } } }  function giveHint() { var emptyCells = []; for (var i = 0; i < 81; i++) { if (userGrid[i] === 0) emptyCells.push(i); } if (emptyCells.length === 0) return;  var idx = emptyCells[Math.floor(Math.random() * emptyCells.length)]; userGrid[idx] = currentSolution[idx]; fixedCells.push(idx); selectedCell = idx; renderGrid(); updateNumpad(); checkWin(); }  function checkWin() { for (var i = 0; i < 81; i++) { if (userGrid[i] !== currentSolution[i]) return; } clearInterval(timerInterval); var m = Math.floor(seconds \/ 60); var s = seconds % 60; document.getElementById('final-time').textContent = m + ':' + (s < 10 ? '0' : '') + s; document.getElementById('win-modal').classList.add('active'); }  function updateTimer() { seconds++; var m = Math.floor(seconds \/ 60); var s = seconds % 60; document.getElementById('timer').textContent = m + ':' + (s < 10 ? '0' : '') + s; }  function closeModal(id) { document.getElementById(id).classList.remove('active'); }  \/\/ Start if (document.readyState === 'complete' || document.readyState === 'interactive') { setTimeout(init, 100); } else { document.addEventListener('DOMContentLoaded', init); } })(); <\/script><\/body><\/html>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n<p>[et_pb_code]<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Como jogar Sudoku online gr\u00e1tis?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Para jogar Sudoku online gr\u00e1tis, voc\u00ea deve preencher a grade 9x9 para que cada linha, coluna e bloco 3x3 contenha os n\u00fameros de 1 a 9 sem repeti\u00e7\u00e3o. Use o racioc\u00ednio dedutivo e a concentra\u00e7\u00e3o para resolver o quebra-cabe\u00e7a.\"}},{\"@type\":\"Question\",\"name\":\"Quais s\u00e3o os n\u00edveis de dificuldade dispon\u00edveis no Sudoku?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"O Sudoku oferece 4 n\u00edveis de dificuldade: F\u00e1cil (\ud83d\udfe2), M\u00e9dio (\ud83d\udfe1), Dif\u00edcil (\ud83d\udfe0) e Expert (\ud83d\udd34). Cada n\u00edvel apresenta diferentes graus de complexidade para desafiar jogadores de todos os n\u00edveis.\"}},{\"@type\":\"Question\",\"name\":\"Quantos erros posso cometer no Sudoku?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Voc\u00ea pode cometer at\u00e9 3 erros durante uma partida de Sudoku. Quando voc\u00ea atinge 3 erros, a partida \u00e9 encerrada e voc\u00ea pode tentar novamente.\"}},{\"@type\":\"Question\",\"name\":\"Quais aplicativos da DYNSEO oferecem exerc\u00edcios de l\u00f3gica?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A DYNSEO oferece tr\u00eas aplicativos com mais de 30 exerc\u00edcios de l\u00f3gica: COCO (\ud83d\udc76 para crian\u00e7as), JOE (\ud83e\uddd1 para adultos) e EDITH (\ud83d\udc74 para idosos). Cada app \u00e9 adaptado para diferentes faixas et\u00e1rias.\"}},{\"@type\":\"Question\",\"name\":\"O Sudoku ajuda a exercitar o c\u00e9rebro?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, o Sudoku \u00e9 uma excelente gin\u00e1stica cerebral. Ele estimula o racioc\u00ednio dedutivo, melhora a concentra\u00e7\u00e3o e desenvolve habilidades de resolu\u00e7\u00e3o de problemas l\u00f3gicos.\"}},{\"@type\":\"Question\",\"name\":\"Posso usar dicas para resolver o Sudoku?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, o jogo oferece a fun\u00e7\u00e3o \ud83d\udca1 Dica para ajudar quando voc\u00ea estiver com dificuldades. Tamb\u00e9m h\u00e1 outras funcionalidades como \u232b Apagar para corrigir n\u00fameros e \ud83d\udd04 Novo para iniciar um novo Sudoku.\"}}]}<\/script>[\/et_pb_code]<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":130227,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-486446","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\n<title>Sudoku online - DYNSEO - Aplica\u00e7\u00f5es educativas e jogos de mem\u00f3ria<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dynseo.com\/pt-pt\/sudoku-online\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sudoku online - 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{"id":486446,"date":"2026-01-16T22:10:34","date_gmt":"2026-01-16T21:10:34","guid":{"rendered":"https:\/\/www.dynseo.com\/sudoku-online\/"},"modified":"2026-03-14T01:19:50","modified_gmt":"2026-03-14T00:19:50","slug":"sudoku-online","status":"publish","type":"page","link":"https:\/\/www.dynseo.com\/pt-pt\/sudoku-online\/","title":{"rendered":"Sudoku online"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.27.5″ _module_preset=”default” custom_padding=”9px|||||” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.5″ _module_preset=”default” width=”96%” max_width=”1322px” custom_padding=”0px|||||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.5″ _module_preset=”default” global_colors_info=”{}”][et_pb_code _builder_version=”4.27.5″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″] Sudoku Gr\u00e1tis Online | DYNSEO<\/title> <\/p>\n<style> * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Segoe UI', sans-serif; background: #f8f9fa; color: #333; } .container { max-width: 500px; margin: 0 auto; padding: 15px; }  .article-header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 25px 15px; text-align: center; border-radius: 0 0 20px 20px; margin-bottom: 20px; } .article-category { display: inline-block; background: rgba(255,255,255,0.2); 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} .control-btn.primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; } .control-btn.secondary { background: #f0f0f0; color: #333; }  \/* CTA *\/ .cta-banner { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 15px; padding: 20px; color: white; text-align: center; margin-bottom: 20px; } .cta-banner h3 { font-size: 1rem; margin-bottom: 8px; } .cta-banner p { font-size: 0.8rem; opacity: 0.9; margin-bottom: 10px; } .apps-row { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; } .app-badge { background: white; color: #667eea; padding: 6px 12px; border-radius: 15px; font-weight: 600; text-decoration: none; font-size: 0.75rem; }  \/* Modal *\/ .modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 15px; } .modal-overlay.active { display: flex; } .modal { background: white; padding: 25px; border-radius: 20px; text-align: center; max-width: 320px; width: 100%; } .modal-icon { font-size: 3rem; margin-bottom: 10px; } .modal h2 { color: #667eea; font-size: 1.3rem; margin-bottom: 10px; } .modal p { color: #666; margin-bottom: 15px; font-size: 0.9rem; } .modal-buttons { display: flex; flex-direction: column; gap: 10px; } .modal-btn { padding: 12px; border: none; border-radius: 10px; font-size: 0.9rem; font-weight: 600; cursor: pointer; text-decoration: none; display: block; } .modal-btn.primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; } .modal-btn.cta { background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%); color: white; }  \/* SEO *\/ .seo-content { background: white; border-radius: 15px; padding: 20px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); } .seo-content h2 { color: #667eea; font-size: 1.2rem; margin-bottom: 12px; border-bottom: 2px solid #667eea; padding-bottom: 8px; } .seo-content p { font-size: 0.85rem; margin-bottom: 10px; color: #555; line-height: 1.5; }  \/* Footer *\/ .article-footer { text-align: center; padding: 20px 15px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border-radius: 20px 20px 0 0; margin-top: 25px; } .article-footer a { color: white; margin: 0 8px; font-size: 0.8rem; }  @media (min-width: 400px) { .sudoku-cell { font-size: 1.4rem; } .sudoku-grid { max-width: 380px; } } <\/style>\n<p><\/head><body> <\/p>\n<header class=\"article-header\"> <\/p>\n<div class=\"article-category\">\ud83d\udd22 L\u00f3gica<\/div>\n<p> <\/p>\n<h1>Sudoku Gr\u00e1tis<\/h1>\n<p> <pee class=\"subtitle\">Treine sua l\u00f3gica!<\/pee> <\/header>\n<p>  <\/p>\n<div class=\"container\"> <\/p>\n<div class=\"cta-banner\"> <\/p>\n<h3>\ud83e\udde0 Voc\u00ea gosta de jogos de l\u00f3gica?<\/h3>\n<p> <pee>30+ exerc\u00edcios em nossos aplicativos!<\/pee> <\/p>\n<div class=\"apps-row\"> <a href=\"https:\/\/www.dynseo.com\/version-coco\/\" class=\"app-badge\">\ud83d\udc76 COCO<\/a> <a href=\"https:\/\/www.dynseo.com\/jeux-de-memoire\/joe-jeux-memoire-adulte\/\" class=\"app-badge\">\ud83e\uddd1 JOE<\/a> <a href=\"https:\/\/www.dynseo.com\/tablette-memoire-senior-edith\/\" class=\"app-badge\">\ud83d\udc74 EDITH<\/a> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"game-container\"> <\/p>\n<div class=\"difficulty-row\" id=\"diff-row\"> <button class=\"diff-btn\" data-level=\"easy\">\ud83d\udfe2 F\u00e1cil<\/button> <button class=\"diff-btn active\" data-level=\"medium\">\ud83d\udfe1 M\u00e9dio<\/button> <button class=\"diff-btn\" data-level=\"hard\">\ud83d\udfe0 Dif\u00edcil<\/button> <button class=\"diff-btn\" data-level=\"expert\">\ud83d\udd34 Expert<\/button> <\/div>\n<p>  <\/p>\n<div class=\"game-stats\"> <\/p>\n<div class=\"stat-box\"><span class=\"stat-value\" id=\"timer\">0:00<\/span><span class=\"stat-label\">Tempo<\/span><\/div>\n<p> <\/p>\n<div class=\"stat-box\"><span class=\"stat-value\" id=\"errors\">0\/3<\/span><span class=\"stat-label\">Erros<\/span><\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"sudoku-wrapper\"> <\/p>\n<div class=\"sudoku-grid\" id=\"grid\"><\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"number-pad\" id=\"numpad\"><\/div>\n<p>  <\/p>\n<div class=\"game-controls\"> <button class=\"control-btn primary\" id=\"new-btn\">\ud83d\udd04 Novo<\/button> <button class=\"control-btn secondary\" id=\"erase-btn\">\u232b Apagar<\/button> <button class=\"control-btn secondary\" id=\"hint-btn\">\ud83d\udca1 Dica<\/button> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<section class=\"seo-content\"> <\/p>\n<h2>O Sudoku: Gin\u00e1stica Cerebral<\/h2>\n<p> <pee>O Sudoku estimula o racioc\u00ednio dedutivo e a concentra\u00e7\u00e3o. Preencha a grade para que cada linha, coluna e bloco 3×3 contenha os n\u00fameros de 1 a 9.<\/pee> <\/section>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"modal-overlay\" id=\"win-modal\"> <\/p>\n<div class=\"modal\"> <\/p>\n<div class=\"modal-icon\">\ud83c\udf89<\/div>\n<p> <\/p>\n<h2>Parab\u00e9ns!<\/h2>\n<p> <pee>Sudoku resolvido em <span id=\"final-time\">0:00<\/span>!<\/pee> <\/p>\n<div class=\"modal-buttons\"> <button class=\"modal-btn primary\" id=\"modal-new\">\ud83d\udd04 Novo Sudoku<\/button> <a href=\"https:\/\/www.dynseo.com\/jeux-de-memoire\/joe-jeux-memoire-adulte\/\" class=\"modal-btn cta\" target=\"_blank\">\ud83e\udde0 Descobrir JOE<\/a> <\/div>\n<p> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<div class=\"modal-overlay\" id=\"lose-modal\"> <\/p>\n<div class=\"modal\"> <\/p>\n<div class=\"modal-icon\">\ud83d\ude05<\/div>\n<p> <\/p>\n<h2>3 erros!<\/h2>\n<p> <pee>Partida encerrada. Tente novamente!<\/pee> <\/p>\n<div class=\"modal-buttons\"> <button class=\"modal-btn primary\" id=\"modal-retry\">\ud83d\udd04 Tentar Novamente<\/button> <\/div>\n<p> <\/div>\n<p> <\/div>\n<p>  <\/p>\n<footer class=\"article-footer\"> <pee><a href=\"https:\/\/www.dynseo.com\/version-coco\/\">COCO<\/a> | <a href=\"https:\/\/www.dynseo.com\/jeux-de-memoire\/joe-jeux-memoire-adulte\/\">JOE<\/a> | <a href=\"https:\/\/www.dynseo.com\/tablette-memoire-senior-edith\/\">EDITH<\/a><\/pee> <\/footer>\n<p>  <script> (function() { \/\/ Grilles pr\u00e9-d\u00e9finies (solution + puzzle) var puzzles = { easy: [ { solution: [5,3,4,6,7,8,9,1,2,6,7,2,1,9,5,3,4,8,1,9,8,3,4,2,5,6,7,8,5,9,7,6,1,4,2,3,4,2,6,8,5,3,7,9,1,7,1,3,9,2,4,8,5,6,9,6,1,5,3,7,2,8,4,2,8,7,4,1,9,6,3,5,3,4,5,2,8,6,1,7,9], puzzle: [5,3,0,0,7,0,0,0,0,6,0,0,1,9,5,0,0,0,0,9,8,0,0,0,0,6,0,8,0,0,0,6,0,0,0,3,4,0,0,8,0,3,0,0,1,7,0,0,0,2,0,0,0,6,0,6,0,0,0,0,2,8,0,0,0,0,4,1,9,0,0,5,0,0,0,0,8,0,0,7,9] } ], medium: [ { solution: [1,2,3,4,5,6,7,8,9,4,5,6,7,8,9,1,2,3,7,8,9,1,2,3,4,5,6,2,3,4,5,6,7,8,9,1,5,6,7,8,9,1,2,3,4,8,9,1,2,3,4,5,6,7,3,4,5,6,7,8,9,1,2,6,7,8,9,1,2,3,4,5,9,1,2,3,4,5,6,7,8], puzzle: [0,2,0,4,0,6,0,8,0,4,0,6,0,8,0,1,0,3,0,8,0,1,0,3,0,5,0,2,0,4,0,6,0,8,0,1,0,6,0,8,0,1,0,3,0,8,0,1,0,3,0,5,0,7,0,4,0,6,0,8,0,1,0,6,0,8,0,1,0,3,0,5,0,1,0,3,0,5,0,7,0] } ], hard: [ { solution: [8,2,7,1,5,4,3,9,6,9,6,5,3,2,7,1,4,8,3,4,1,6,8,9,7,5,2,5,9,3,4,6,8,2,7,1,4,7,2,5,1,3,6,8,9,6,1,8,9,7,2,4,3,5,7,8,6,2,3,5,9,1,4,1,5,4,7,9,6,8,2,3,2,3,9,8,4,1,5,6,7], puzzle: [0,0,0,0,0,0,3,0,0,9,0,0,0,0,7,0,0,8,0,4,0,6,0,0,0,5,0,0,0,3,0,6,0,0,7,0,4,0,0,0,1,0,0,0,9,0,1,0,0,7,0,4,0,0,0,8,0,0,0,5,0,1,0,1,0,0,7,0,0,0,0,3,0,0,9,0,0,0,0,0,0] } ], expert: [ { solution: [4,8,3,9,2,1,6,5,7,9,6,7,3,4,5,8,2,1,2,5,1,8,7,6,4,9,3,5,4,8,1,3,2,9,7,6,7,2,9,5,6,4,1,3,8,1,3,6,7,9,8,2,4,5,3,7,2,6,8,9,5,1,4,8,1,4,2,5,3,7,6,9,6,9,5,4,1,7,3,8,2], puzzle: [0,0,0,9,0,0,0,0,0,0,0,7,0,4,0,0,2,0,0,5,0,0,0,6,4,0,0,0,4,0,0,0,0,9,0,0,7,0,0,5,0,4,0,0,8,0,0,6,0,0,0,0,4,0,0,0,2,6,0,0,0,1,0,0,1,0,0,5,0,7,0,0,0,0,0,0,0,7,0,0,0] } ] };  var currentPuzzle = null; var currentSolution = null; var userGrid = []; var fixedCells = []; var selectedCell = -1; var errors = 0; var maxErrors = 3; var difficulty = 'medium'; var timerInterval = null; var seconds = 0;  function init() { \/\/ Difficulty buttons var diffBtns = document.querySelectorAll('.diff-btn'); for (var i = 0; i < diffBtns.length; i++) { diffBtns[i].onclick = function() { for (var j = 0; j < diffBtns.length; j++) diffBtns[j].classList.remove('active'); this.classList.add('active'); difficulty = this.getAttribute('data-level'); newGame(); }; }  \/\/ Number pad var numpad = document.getElementById('numpad'); for (var n = 1; n <= 9; n++) { var btn = document.createElement('button'); btn.className = 'num-btn'; btn.textContent = n; btn.setAttribute('data-num', n); btn.onclick = function() { enterNum(parseInt(this.getAttribute('data-num'))); }; numpad.appendChild(btn); } var eraseBtn = document.createElement('button'); eraseBtn.className = 'num-btn'; eraseBtn.textContent = '\u232b'; eraseBtn.onclick = function() { enterNum(0); }; numpad.appendChild(eraseBtn);  \/\/ Controls document.getElementById('new-btn').onclick = newGame; document.getElementById('erase-btn').onclick = function() { enterNum(0); }; document.getElementById('hint-btn').onclick = giveHint; document.getElementById('modal-new').onclick = function() { closeModal('win-modal'); newGame(); }; document.getElementById('modal-retry').onclick = function() { closeModal('lose-modal'); newGame(); };  \/\/ Grid click document.getElementById('grid').onclick = function(e) { var cell = e.target; if (cell.classList.contains('sudoku-cell')) { var idx = parseInt(cell.getAttribute('data-idx')); selectCell(idx); } };  \/\/ Keyboard document.onkeydown = function(e) { if (selectedCell < 0) return; var key = e.key; if (key >= '1' && key <= '9') enterNum(parseInt(key)); else if (key === 'Backspace' || key === 'Delete') enterNum(0); else if (key === 'ArrowUp' && selectedCell >= 9) selectCell(selectedCell - 9); else if (key === 'ArrowDown' && selectedCell < 72) selectCell(selectedCell + 9); else if (key === 'ArrowLeft' && selectedCell > 0) selectCell(selectedCell - 1); else if (key === 'ArrowRight' && selectedCell < 80) selectCell(selectedCell + 1); };  newGame(); }  function newGame() { \/\/ Pick random puzzle var puzzleList = puzzles[difficulty]; var p = puzzleList[Math.floor(Math.random() * puzzleList.length)]; currentSolution = p.solution.slice(); currentPuzzle = p.puzzle.slice(); userGrid = p.puzzle.slice();  fixedCells = []; for (var i = 0; i < 81; i++) { if (currentPuzzle[i] !== 0) fixedCells.push(i); }  selectedCell = -1; errors = 0; seconds = 0;  clearInterval(timerInterval); timerInterval = setInterval(updateTimer, 1000);  document.getElementById('timer').textContent = '0:00'; document.getElementById('errors').textContent = '0\/' + maxErrors;  renderGrid(); updateNumpad(); }  function renderGrid() { var gridEl = document.getElementById('grid'); gridEl.innerHTML = '';  for (var i = 0; i < 81; i++) { var cell = document.createElement('div'); cell.className = 'sudoku-cell'; cell.setAttribute('data-idx', i);  var val = userGrid[i]; if (val !== 0) { cell.textContent = val; if (fixedCells.indexOf(i) >= 0) { cell.classList.add('fixed'); } else { cell.classList.add('user'); if (val !== currentSolution[i]) { cell.classList.add('error'); } } }  \/\/ Highlight if (selectedCell >= 0) { var selRow = Math.floor(selectedCell \/ 9); var selCol = selectedCell % 9; var row = Math.floor(i \/ 9); var col = i % 9; var selBox = Math.floor(selRow \/ 3) * 3 + Math.floor(selCol \/ 3); var box = Math.floor(row \/ 3) * 3 + Math.floor(col \/ 3);  if (i === selectedCell) { cell.classList.add('selected'); } else if (row === selRow || col === selCol || box === selBox) { cell.classList.add('highlight'); }  if (userGrid[selectedCell] !== 0 && userGrid[i] === userGrid[selectedCell] && i !== selectedCell) { cell.classList.add('same-num'); } }  gridEl.appendChild(cell); } }  function selectCell(idx) { selectedCell = idx; renderGrid(); }  function enterNum(num) { if (selectedCell < 0) return; if (fixedCells.indexOf(selectedCell) >= 0) return;  if (num === 0) { userGrid[selectedCell] = 0; } else { if (num !== currentSolution[selectedCell]) { errors++; document.getElementById('errors').textContent = errors + '\/' + maxErrors; if (errors >= maxErrors) { clearInterval(timerInterval); document.getElementById('lose-modal').classList.add('active'); return; } } userGrid[selectedCell] = num; }  renderGrid(); updateNumpad(); checkWin(); }  function updateNumpad() { var counts = {}; for (var n = 1; n <= 9; n++) counts[n] = 0; for (var i = 0; i < 81; i++) { if (userGrid[i] !== 0) counts[userGrid[i]]++; }  var btns = document.querySelectorAll('.num-btn'); for (var i = 0; i < btns.length; i++) { var num = btns[i].getAttribute('data-num'); if (num && counts[parseInt(num)] >= 9) { btns[i].classList.add('done'); } else { btns[i].classList.remove('done'); } } }  function giveHint() { var emptyCells = []; for (var i = 0; i < 81; i++) { if (userGrid[i] === 0) emptyCells.push(i); } if (emptyCells.length === 0) return;  var idx = emptyCells[Math.floor(Math.random() * emptyCells.length)]; userGrid[idx] = currentSolution[idx]; fixedCells.push(idx); selectedCell = idx; renderGrid(); updateNumpad(); checkWin(); }  function checkWin() { for (var i = 0; i < 81; i++) { if (userGrid[i] !== currentSolution[i]) return; } clearInterval(timerInterval); var m = Math.floor(seconds \/ 60); var s = seconds % 60; document.getElementById('final-time').textContent = m + ':' + (s < 10 ? '0' : '') + s; document.getElementById('win-modal').classList.add('active'); }  function updateTimer() { seconds++; var m = Math.floor(seconds \/ 60); var s = seconds % 60; document.getElementById('timer').textContent = m + ':' + (s < 10 ? '0' : '') + s; }  function closeModal(id) { document.getElementById(id).classList.remove('active'); }  \/\/ Start if (document.readyState === 'complete' || document.readyState === 'interactive') { setTimeout(init, 100); } else { document.addEventListener('DOMContentLoaded', init); } })(); <\/script><\/body><\/html>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n<p>[et_pb_code]<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Como jogar Sudoku online gr\u00e1tis?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Para jogar Sudoku online gr\u00e1tis, voc\u00ea deve preencher a grade 9x9 para que cada linha, coluna e bloco 3x3 contenha os n\u00fameros de 1 a 9 sem repeti\u00e7\u00e3o. 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Ele estimula o racioc\u00ednio dedutivo, melhora a concentra\u00e7\u00e3o e desenvolve habilidades de resolu\u00e7\u00e3o de problemas l\u00f3gicos.\"}},{\"@type\":\"Question\",\"name\":\"Posso usar dicas para resolver o Sudoku?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, o jogo oferece a fun\u00e7\u00e3o \ud83d\udca1 Dica para ajudar quando voc\u00ea estiver com dificuldades. Tamb\u00e9m h\u00e1 outras funcionalidades como \u232b Apagar para corrigir n\u00fameros e \ud83d\udd04 Novo para iniciar um novo Sudoku.\"}}]}<\/script>[\/et_pb_code]<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":130227,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-486446","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\n<title>Sudoku online - DYNSEO - Aplica\u00e7\u00f5es educativas e jogos de mem\u00f3ria<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dynseo.com\/pt-pt\/sudoku-online\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sudoku online - 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