Jenereta ya Sudoku

Generate unlimited free Sudoku puzzles with multiple difficulty levels. Play online with interactive features or print for offline solving. Perfect for beginners to experts with AI-powered hints and customizable options.

Ukubwa wa Gridi
4ร—4
Mwanzo
9ร—9
Kawaida
Kiwango cha Ugumu
Rahisi 45-50 clues
Wastani 35-40 clues
Ngumu 25-30 clues
Mtaalam 17-24 clues
Hali ya Mchezo
Tatua Mtandaoni
Muundo wa Kuchapisha
00:00
Difficulty: Rahisi
Grid Size: 9ร—9
Filled: 0/81
Errors: 0
0
Imetengenezwa
0
Imekamilika
--:--
Muda Bora
--:--
Muda wa Wastani
0%
Kiwango cha Mafanikio

๐ŸŽฏ Try Sample Puzzles

๐ŸŽฒ Classic Sudoku
Traditional 9ร—9 puzzle for practice
๐ŸŒฑ Beginner Friendly
Easy 4ร—4 puzzle for newcomers
๐Ÿ”ฅ Expert Challenge
Fumbo gumu kwa wachezaji wenye uzoefu
๐Ÿ“… Daily Puzzle
Today's featured Sudoku challenge
โš–๏ธ Symmetric Pattern
Muundo wa fumbo uliowianishwa vizuri
๐ŸŽฏ Minimal Clues
17-clue puzzle - ultimate challenge

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๐Ÿ“š Puzzle Books ๐Ÿงฉ Brain Training ๐ŸŽฎ Logic Games ๐Ÿ“ฑ Mobile Apps ๐Ÿ† Premium Sudoku

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Jifunze Zaidi Kuhusu Msimbo wa WIA

๐Ÿค– Chagua Msaidizi wako wa AI

๐Ÿ’ฌ ChatGPT
Most versatile โ€ข Best for general tasks
โ†’ chat.openai.com
๐Ÿง  Claude
Best reasoning โ€ข Perfect for analysis
โ†’ claude.ai
โœจ Gemini BURE
Free daily limits โ€ข Built-in chat
โ†’ Built-in below
๐ŸŒŸ Choose the best AI for your Sudoku journey |
`; printWindow.document.write(html); printWindow.document.close(); printWindow.print(); } // ========== CONTROL FUNCTIONS ========== function selectGridSize(size) { document.querySelectorAll('.grid-btn').forEach(btn => btn.classList.remove('active')); event.target.classList.add('active'); gameState.gridSize = size; document.getElementById('currentSize').textContent = `${size}ร—${size}`; // Reset number pad generateNumberPad(); } function selectDifficulty(difficulty) { document.querySelectorAll('.difficulty-btn').forEach(btn => btn.classList.remove('active')); event.target.classList.add('active'); gameState.difficulty = difficulty; document.getElementById('currentDifficulty').textContent = difficulty.charAt(0).toUpperCase() + difficulty.slice(1); } function selectMode(mode) { document.querySelectorAll('.control-group:last-child .grid-btn').forEach(btn => btn.classList.remove('active')); event.target.classList.add('active'); gameState.mode = mode; } function loadSamplePuzzle(type) { if (SAMPLE_PUZZLES[type]) { const sample = SAMPLE_PUZZLES[type]; gameState.currentPuzzle = copyGrid(sample.puzzle); gameState.solution = copyGrid(sample.solution); gameState.userGrid = copyGrid(sample.puzzle); gameState.gridSize = sample.size; gameState.difficulty = sample.difficulty; gameState.isCompleted = false; gameState.moves = []; gameState.errors = 0; // Update UI document.getElementById('currentSize').textContent = `${sample.size}ร—${sample.size}`; document.getElementById('currentDifficulty').textContent = sample.difficulty.charAt(0).toUpperCase() + sample.difficulty.slice(1); displayPuzzle(); resetTimer(); showNotification(`Loaded ${type} puzzle`, 'success'); } else { // Generate puzzle based on type if (type === 'daily') { generateNewPuzzle(); } else if (type === 'challenging') { gameState.difficulty = 'expert'; selectDifficulty('expert'); generateNewPuzzle(); } else { generateNewPuzzle(); } } } // ========== TIMER FUNCTIONS ========== function startTimer() { if (gameState.timer) return; gameState.startTime = Date.now(); gameState.timer = setInterval(updateTimer, 1000); } function stopTimer() { if (gameState.timer) { clearInterval(gameState.timer); gameState.timer = null; } } function resetTimer() { stopTimer(); gameState.startTime = null; document.getElementById('timer').textContent = '00:00'; } function updateTimer() { if (!gameState.startTime) return; const elapsed = Math.floor((Date.now() - gameState.startTime) / 1000); const minutes = Math.floor(elapsed / 60); const seconds = elapsed % 60; document.getElementById('timer').textContent = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`; } function getElapsedTime() { if (!gameState.startTime) return '00:00'; const elapsed = Math.floor((Date.now() - gameState.startTime) / 1000); const minutes = Math.floor(elapsed / 60); const seconds = elapsed % 60; return `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`; } // ========== STATISTICS FUNCTIONS ========== function updateStats(action) { const stats = gameState.stats; if (action === 'generated') { stats.totalGenerated++; } else if (action === 'completed') { stats.totalCompleted++; const time = Date.now() - gameState.startTime; stats.totalTime += time; const difficulty = gameState.difficulty; if (!stats.bestTimes[difficulty] || time < stats.bestTimes[difficulty]) { stats.bestTimes[difficulty] = time; } } // Save to localStorage localStorage.setItem('sudokuStats', JSON.stringify(stats)); // Update display updateStatsDisplay(); } function updateStatsDisplay() { const stats = gameState.stats; document.getElementById('totalPuzzles').textContent = stats.totalGenerated; document.getElementById('completedPuzzles').textContent = stats.totalCompleted; // Best time for current difficulty const bestTime = stats.bestTimes[gameState.difficulty]; document.getElementById('bestTime').textContent = bestTime ? formatTime(bestTime) : '--:--'; // Average time const avgTime = stats.totalCompleted > 0 ? stats.totalTime / stats.totalCompleted : 0; document.getElementById('averageTime').textContent = avgTime > 0 ? formatTime(avgTime) : '--:--'; // Success rate const successRate = stats.totalGenerated > 0 ? Math.round((stats.totalCompleted / stats.totalGenerated) * 100) : 0; document.getElementById('successRate').textContent = `${successRate}%`; } function formatTime(milliseconds) { const seconds = Math.floor(milliseconds / 1000); const minutes = Math.floor(seconds / 60); const remainingSeconds = seconds % 60; return `${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`; } function updateGameInfo() { const size = gameState.gridSize; const filled = countFilledCells(); const total = size * size; document.getElementById('filledCells').textContent = `${filled}/${total}`; document.getElementById('errorCount').textContent = gameState.errors; // Start timer if first move if (filled > countClues(gameState.currentPuzzle) && !gameState.timer && !gameState.isCompleted) { startTimer(); } } function countFilledCells() { return gameState.userGrid.flat().filter(cell => cell !== 0).length; } // ========== UTILITY FUNCTIONS ========== function showNotification(message, type = 'success') { const toast = document.createElement('div'); toast.className = `toast ${type}`; toast.textContent = message; document.body.appendChild(toast); setTimeout(() => { toast.remove(); }, 3000); } function showOTA() { const otaContainer = document.getElementById('otaContainer'); if (otaContainer && (otaContainer.style.display === 'none' || !otaContainer.style.display)) { otaContainer.style.display = 'block'; setTimeout(() => { const otaHeader = document.querySelector('.ota-header h3'); if (otaHeader) { otaHeader.style.animation = 'pulse 1s ease-in-out'; } }, 100); } } function trackEvent(eventName, data = {}) { if (typeof gtag !== 'undefined') { gtag('event', eventName, { 'event_category': TOOL_CONFIG.category, 'event_label': TOOL_CONFIG.name, ...data }); } } // ========== AI ASSISTANT FUNCTIONS ========== function openAIModal() { const modal = document.getElementById('aiModal'); modal.classList.add('show'); if (aiModalState.apiKey && aiModalState.currentView === 'gemini') { showGeminiChat(); } else { showAISelector(); } updateAPIKeyStatus(); } function closeAIModal() { const modal = document.getElementById('aiModal'); modal.classList.remove('show'); setTimeout(() => { aiModalState.currentView = 'selector'; showAISelector(); }, 300); } function showAISelector() { document.getElementById('aiModalTitle').textContent = 'Chagua Msaidizi wako wa AI'; document.getElementById('aiSelector').style.display = 'flex'; document.getElementById('geminiChat').style.display = 'none'; document.getElementById('apiKeySetup').style.display = 'none'; aiModalState.currentView = 'selector'; } function showGeminiChat() { document.getElementById('aiModalTitle').innerHTML = 'โœจ Gemini AI Assistant'; document.getElementById('aiSelector').style.display = 'none'; document.getElementById('geminiChat').style.display = 'flex'; document.getElementById('apiKeySetup').style.display = 'none'; aiModalState.currentView = 'gemini'; const chatMessages = document.getElementById('chatMessages'); if (!chatMessages.innerHTML.trim()) { addMessage('assistant', `Hello! I'm here to help with Sudoku: โ€ข Solving strategies and techniques โ€ข Tips for different difficulty levels โ€ข Understanding Sudoku rules and logic โ€ข Improving your solving speed โ€ข Custom puzzle generation advice โ€ข WIA Code system questions What would you like to know about Sudoku?`); } } function showAPIKeySetup() { document.getElementById('aiModalTitle').textContent = 'Setup Gemini API'; document.getElementById('aiSelector').style.display = 'none'; document.getElementById('geminiChat').style.display = 'none'; document.getElementById('apiKeySetup').style.display = 'block'; aiModalState.currentView = 'setup'; } function selectAI(aiType) { switch(aiType) { case 'chatgpt': const toolContext = `I need help with Sudoku puzzles and solving strategies. I'm using the Sudoku Generator on WIA Code platform to practice different difficulty levels and improve my solving skills.`; const chatUrl = `https://chat.openai.com/?q=${encodeURIComponent(toolContext)}`; window.open(chatUrl, '_blank'); closeAIModal(); trackEvent('ai_selection', { ai_type: 'chatgpt' }); break; case 'claude': const claudeContext = `I need help with Sudoku puzzles and solving strategies. I'm using the Sudoku Generator on WIA Code platform to practice different difficulty levels and improve my solving skills.`; const claudeUrl = `https://claude.ai/chat?q=${encodeURIComponent(claudeContext)}`; window.open(claudeUrl, '_blank'); closeAIModal(); trackEvent('ai_selection', { ai_type: 'claude' }); break; case 'gemini': if (!aiModalState.apiKey) { showAPIKeySetup(); } else { showGeminiChat(); } trackEvent('ai_selection', { ai_type: 'gemini' }); break; } } function saveGeminiApiKey() { const apiKey = document.getElementById('geminiApiKeyInput').value.trim(); if (apiKey) { localStorage.setItem('geminiApiKey', apiKey); aiModalState.apiKey = apiKey; showGeminiChat(); updateAPIKeyStatus(); } else { alert('Please enter a valid API key'); } } function updateAPIKeyStatus() { const statusEl = document.getElementById('apiKeyStatus'); if (aiModalState.apiKey) { statusEl.innerHTML = 'Badilisha Ufunguo wa API'; } else { statusEl.textContent = 'No API key set'; } } function addMessage(type, content) { const chatMessages = document.getElementById('chatMessages'); const messageDiv = document.createElement('div'); messageDiv.className = `message ${type}`; if (type === 'user') { messageDiv.innerHTML = `You: ${content}`; } else { messageDiv.innerHTML = `โœจ Gemini:
${content.replace(/\n/g, '
')}`; } chatMessages.appendChild(messageDiv); chatMessages.scrollTop = chatMessages.scrollHeight; } async function sendToGemini() { const input = document.getElementById('geminiInput'); const message = input.value.trim(); if (!message) return; addMessage('user', message); input.value = ''; const loadingMsg = document.createElement('div'); loadingMsg.className = 'message assistant'; loadingMsg.innerHTML = 'โœจ Gemini:
Thinking...'; loadingMsg.id = 'loading-message'; document.getElementById('chatMessages').appendChild(loadingMsg); try { const response = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=${aiModalState.apiKey}`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ contents: [{ parts: [{ text: `Context: User is playing Sudoku puzzles on WIA Code Sudoku Generator. Current game state: - Grid size: ${gameState.gridSize}ร—${gameState.gridSize} - Difficulty: ${gameState.difficulty} - Progress: ${countFilledCells()}/${gameState.gridSize * gameState.gridSize} cells filled - Errors: ${gameState.errors} Sudoku rules: Fill grid so each row, column, and ${Math.sqrt(gameState.gridSize)}ร—${Math.sqrt(gameState.gridSize)} box contains numbers 1-${gameState.gridSize} exactly once. User question: ${message}` }] }], generationConfig: { temperature: 0.7, maxOutputTokens: 1000 } }) }); const data = await response.json(); document.getElementById('loading-message').remove(); if (data.candidates && data.candidates[0] && data.candidates[0].content) { const reply = data.candidates[0].content.parts[0].text; addMessage('assistant', reply); } else { addMessage('assistant', 'Sorry, I could not generate a response. Please try again.'); } } catch (error) { document.getElementById('loading-message')?.remove(); if (error.message.includes('API key')) { addMessage('error', 'Invalid API key. Please check your API key and try again.'); showAPIKeySetup(); } else { addMessage('error', 'Failed to connect to Gemini. Please check your internet connection and try again.'); } } } // ========== INITIALIZATION ========== document.addEventListener('DOMContentLoaded', function() { // Initialize game updateStatsDisplay(); generateNumberPad(); // Generate first puzzle generateNewPuzzle(); // Event listeners document.getElementById('aiBtn').addEventListener('click', openAIModal); document.getElementById('aiModal').addEventListener('click', function(e) { if (e.target === this) { closeAIModal(); } }); document.addEventListener('keydown', function(e) { if (e.key === 'Enter') { const geminiInput = document.getElementById('geminiInput'); if (document.activeElement === geminiInput) { sendToGemini(); } } if (e.key === 'Escape') { closeAIModal(); } // Number keys for number selection if (e.key >= '1' && e.key <= '9') { const num = parseInt(e.key); if (num <= gameState.gridSize) { selectNumber(num); } } if (e.key === '0' || e.key === 'Delete' || e.key === 'Backspace') { if (gameState.selectedCell && document.activeElement.tagName !== 'INPUT') { selectNumber(0); } } }); updateAPIKeyStatus(); updateCurrentYear(); updateToolCount(); trackEvent('page_view', { tool: TOOL_CONFIG.name, category: TOOL_CONFIG.category }); }); // ========== DYNAMIC TOOL COUNT ========== async function updateToolCount() { try { const response = await fetch('/api/tool-count.php'); const data = await response.json(); document.querySelectorAll('.dynamic-tools-count').forEach(el => { el.textContent = `${data.count}+ free online tools in 206 languages. No signup, no fees, just tools that work.`; }); document.querySelectorAll('.dynamic-count').forEach(el => { const prefix = el.getAttribute('data-text') || ''; const suffix = el.getAttribute('data-suffix') || ''; const icon = el.textContent.split(' ')[0] || ''; el.textContent = `${icon} ${prefix} ${data.count}+ ${suffix}`; }); } catch (error) { const fallbackCount = 333; document.querySelectorAll('.dynamic-tools-count').forEach(el => { el.textContent = `${fallbackCount}+ free online tools in 206 languages. No signup, no fees, just tools that work.`; }); document.querySelectorAll('.dynamic-count').forEach(el => { const prefix = el.getAttribute('data-text') || ''; const suffix = el.getAttribute('data-suffix') || ''; const icon = el.textContent.split(' ')[0] || ''; el.textContent = `${icon} ${prefix} ${fallbackCount}+ ${suffix}`; }); } } function updateCurrentYear() { const currentYear = new Date().getFullYear(); document.querySelectorAll('.current-year').forEach(el => { el.textContent = currentYear; }); } // ========== ANALYTICS ========== window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-XXXXXXXXX'); trackEvent('page_view', { tool: TOOL_CONFIG.name, category: TOOL_CONFIG.category });