diff --git a/src/main.ts b/src/main.ts
index 7a4b66f..17c8053 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -4,9 +4,18 @@ import './style.css';
 
 const app = document.getElementById('app')!;
 
-let currentView: 'quiz' | 'stats' = 'quiz';
+let currentView: 'quiz' | 'stats' | 'info' = 'quiz';
 let typeChartView: 'attacking' | 'defending' = 'attacking';
 const game = new Game(render);
+const INFO_SEEN_KEY = 'pokemon-type-quiz-info-seen';
+
+// Check if user has seen info screen before
+const hasSeenInfo = localStorage.getItem(INFO_SEEN_KEY) === 'true';
+
+if (!hasSeenInfo) {
+  currentView = 'info';
+}
+
 game.nextQuestion();
 
 function renderTypeBadge(name: TypeName, size: 'small' | 'large' = 'small'): string {
@@ -15,12 +24,83 @@ function renderTypeBadge(name: TypeName, size: 'small' | 'large' = 'small'): str
   return `<span class="type-badge ${sizeClass}" style="background: ${info.backgroundColor}; color: ${info.color}">${info.name}</span>`;
 }
 
+function renderInfoScreen(): void {
+  app.innerHTML = `
+    <div class="info-screen">
+      <div class="info-content">
+        <h1 class="info-title">Pokemon Type Quiz</h1>
+        <p class="info-subtitle">Test your knowledge of type effectiveness!</p>
+        
+        <div class="info-section">
+          <h2>How to Play</h2>
+          <ul class="info-list">
+            <li>A random <strong>attacking type</strong> will be shown</li>
+            <li>You'll see one or two <strong>defending type(s)</strong></li>
+            <li>Select how effective the attack is against the defender</li>
+          </ul>
+        </div>
+
+        <div class="info-section">
+          <h2>Effectiveness Options</h2>
+          <div class="effectiveness-examples">
+            <div class="effectiveness-item">
+              <span class="eff-label eff-0">0x</span>
+              <span>No effect (e.g., Ghost vs Normal)</span>
+            </div>
+            <div class="effectiveness-item">
+              <span class="eff-label eff-1q">1/4x</span>
+              <span>Not very effective (e.g., Fire vs Rock/Water)</span>
+            </div>
+            <div class="effectiveness-item">
+              <span class="eff-label eff-2q">1/2x</span>
+              <span>Not very effective (e.g., Water vs Fire)</span>
+            </div>
+            <div class="effectiveness-item">
+              <span class="eff-label eff-1">1x</span>
+              <span>Normal effectiveness</span>
+            </div>
+            <div class="effectiveness-item">
+              <span class="eff-label eff-2">2x</span>
+              <span>Super effective (e.g., Water vs Fire)</span>
+            </div>
+            <div class="effectiveness-item">
+              <span class="eff-label eff-4">4x</span>
+              <span>Super effective (e.g., Grass vs Water/Ground)</span>
+            </div>
+          </div>
+        </div>
+
+        <div class="info-section">
+          <h2>Controls</h2>
+          <p class="info-controls">
+            <span class="key-hint">1-6</span> to select answer
+            <span class="key-hint">Enter</span> to continue
+          </p>
+        </div>
+
+        <button class="start-btn" id="startBtn">Start Quiz</button>
+      </div>
+    </div>
+  `;
+
+  document.getElementById('startBtn')?.addEventListener('click', () => {
+    localStorage.setItem(INFO_SEEN_KEY, 'true');
+    currentView = 'quiz';
+    render();
+  });
+}
+
 function render(): void {
+  if (currentView === 'info') {
+    renderInfoScreen();
+    return;
+  }
+
   if (currentView === 'stats') {
     renderStatsPage();
     return;
   }
-  
+
   const state = game.getState();
   const { options, startKey } = game.getOptions();
   const stats = game.getStats();
@@ -31,7 +111,7 @@ function render(): void {
   }
 
   const q = state.currentQuestion;
-  const defenderHtml = q.defenderTypes.length === 1 
+  const defenderHtml = q.defenderTypes.length === 1
     ? renderTypeBadge(q.defenderTypes[0], 'large')
     : `${renderTypeBadge(q.defenderTypes[0], 'large')} ${renderTypeBadge(q.defenderTypes[1], 'large')}`;
 
@@ -40,9 +120,9 @@ function render(): void {
     if (i === state.selectedIndex) {
       cls += ' selected';
     }
-    
+
     const shortcut = `${startKey + i}`;
-    
+
     return `
       <button class="${cls}" data-index="${i}">
         <span class="option-key">${shortcut}</span>
@@ -53,11 +133,11 @@ function render(): void {
 
   const resultHtml = state.showResult ? `
     <div class="result ${state.isCorrect ? 'correct' : 'wrong'}">
-      ${state.isCorrect 
-        ? '<div class="result-title">✓ Correct!</div>' 
-        : `<div class="result-title">✗ Wrong</div>
+      ${state.isCorrect
+      ? '<div class="result-title">✓ Correct!</div>'
+      : `<div class="result-title">✗ Wrong</div>
            <div class="explanation">${game.getExplanation()}</div>`
-      }
+    }
       ${!state.isCorrect ? '<button class="next-btn">Continue (Enter)</button>' : ''}
     </div>
   ` : '';
@@ -66,11 +146,14 @@ function render(): void {
     <div class="game-container">
       <header class="header">
         <h1>Pokemon Type Quiz</h1>
-        <div class="stats">
-          <span class="stat">Streak: ${state.streak}</span>
-          <span class="stat">Accuracy: ${stats.accuracy.toFixed(1)}%</span>
-          <span class="stat">Total: ${stats.total}</span>
-          <button class="stats-btn" id="statsBtn">View Stats</button>
+        <div class="header-actions">
+          <button class="info-btn" id="infoBtn" title="How to play">?</button>
+          <div class="stats">
+            <span class="stat">Streak: ${state.streak}</span>
+            <span class="stat">Accuracy: ${stats.accuracy.toFixed(1)}%</span>
+            <span class="stat">Total: ${stats.total}</span>
+            <button class="stats-btn" id="statsBtn">View Stats</button>
+          </div>
         </div>
       </header>
 
@@ -109,9 +192,9 @@ function renderCombinationItem(combo: CombinationStats): string {
   const defenderHtml = combo.defenderTypes.length === 1
     ? renderTypeBadge(combo.defenderTypes[0], 'small')
     : `${renderTypeBadge(combo.defenderTypes[0], 'small')} ${renderTypeBadge(combo.defenderTypes[1], 'small')}`;
-  
+
   const accuracyClass = combo.accuracy >= 80 ? 'high' : combo.accuracy >= 50 ? 'medium' : 'low';
-  
+
   return `
     <div class="combo-item">
       <div class="combo-types">
@@ -131,7 +214,7 @@ function renderTypeChartCell(typeStat: TypeChartStats): string {
   const info = getTypeInfo(typeStat.attackType);
   const accuracyClass = typeStat.total === 0 ? 'no-data' : typeStat.accuracy >= 80 ? 'high' : typeStat.accuracy >= 50 ? 'medium' : 'low';
   const display = typeStat.total === 0 ? '-' : `${typeStat.accuracy.toFixed(0)}%`;
-  
+
   return `
     <div class="type-cell" style="background: ${info.backgroundColor}; color: ${info.color};" title="${typeStat.attackType}: ${typeStat.correct}/${typeStat.total}">
       <span class="type-cell-name">${typeStat.attackType.slice(0, 3)}</span>
@@ -142,7 +225,7 @@ function renderTypeChartCell(typeStat: TypeChartStats): string {
 
 function renderFullTypeChart(cells: FullTypeChartCell[]): string {
   const defenderTypes = ['Normal', 'Fire', 'Water', 'Electric', 'Grass', 'Ice', 'Fighting', 'Poison', 'Ground', 'Flying', 'Psychic', 'Bug', 'Rock', 'Ghost', 'Dragon', 'Dark', 'Steel', 'Fairy'];
-  
+
   // Create a map for quick cell lookup
   const cellMap = new Map<string, FullTypeChartCell>();
   for (const cell of cells) {
@@ -150,7 +233,7 @@ function renderFullTypeChart(cells: FullTypeChartCell[]): string {
     const key = `${cell.attackType}:${defenderKey}`;
     cellMap.set(key, cell);
   }
-  
+
   // Generate header row
   const headerCells = defenderTypes.map(def => {
     const info = getTypeInfo(def as TypeName);
@@ -158,7 +241,7 @@ function renderFullTypeChart(cells: FullTypeChartCell[]): string {
       ${def.slice(0, 3)}
     </div>`;
   }).join('');
-  
+
   // Generate rows
   const rows = defenderTypes.map(rowType => {
     const rowInfo = getTypeInfo(rowType as TypeName);
@@ -166,11 +249,11 @@ function renderFullTypeChart(cells: FullTypeChartCell[]): string {
       const cell = cellMap.get(`${rowType}:${colType}`);
       const total = cell?.total || 0;
       const accuracy = cell?.accuracy || 0;
-      
+
       let bgColor = 'var(--bg-accent)';
       let textColor = 'var(--text-secondary)';
       let display = '-';
-      
+
       if (total > 0) {
         display = `${accuracy.toFixed(0)}`;
         if (accuracy >= 80) {
@@ -184,12 +267,12 @@ function renderFullTypeChart(cells: FullTypeChartCell[]): string {
           textColor = 'var(--error)';
         }
       }
-      
+
       return `<div class="full-chart-cell" style="background: ${bgColor}; color: ${textColor};" title="${rowType} vs ${colType}: ${cell?.correct || 0}/${total}">
         ${display}
       </div>`;
     }).join('');
-    
+
     return `
       <div class="full-chart-row">
         <div class="full-chart-row-header" style="background: ${rowInfo.backgroundColor}; color: ${rowInfo.color};">
@@ -199,7 +282,7 @@ function renderFullTypeChart(cells: FullTypeChartCell[]): string {
       </div>
     `;
   }).join('');
-  
+
   return `
     <div class="full-type-chart">
       <div class="full-chart-header-row">
@@ -217,19 +300,19 @@ function renderStatsPage(): void {
   const worstCombos = game.getWorstCombinations(5);
   const typeChartStats = typeChartView === 'attacking' ? game.getTypeChartStats() : game.getDefendingTypeStats();
   const fullTypeChartCells = game.getFullTypeChartStats();
-  
+
   const hasData = stats.total > 0;
-  
-  const bestCombosHtml = bestCombos.length > 0 
+
+  const bestCombosHtml = bestCombos.length > 0
     ? bestCombos.map(renderCombinationItem).join('')
     : '<p class="no-data-text">Answer at least 3 questions to see stats</p>';
-  
+
   const worstCombosHtml = worstCombos.length > 0
     ? worstCombos.map(renderCombinationItem).join('')
     : '<p class="no-data-text">Answer at least 3 questions to see stats</p>';
-  
+
   const typeChartHtml = typeChartStats.map(renderTypeChartCell).join('');
-  
+
   app.innerHTML = `
     <div class="stats-container">
       <header class="stats-header">
@@ -293,12 +376,12 @@ function renderStatsPage(): void {
       `}
     </div>
   `;
-  
+
   document.getElementById('backBtn')?.addEventListener('click', () => {
     currentView = 'quiz';
     render();
   });
-  
+
   document.querySelectorAll('.chart-toggle').forEach(btn => {
     btn.addEventListener('click', () => {
       const view = btn.getAttribute('data-view') as 'attacking' | 'defending';
@@ -337,6 +420,14 @@ function attachEventListeners(): void {
       render();
     });
   }
+
+  const infoBtn = document.getElementById('infoBtn');
+  if (infoBtn) {
+    infoBtn.addEventListener('click', () => {
+      currentView = 'info';
+      render();
+    });
+  }
 }
 
 document.addEventListener('keydown', (e) => {
diff --git a/src/style.css b/src/style.css
index 11fbe15..fd7ffef 100644
--- a/src/style.css
+++ b/src/style.css
@@ -663,6 +663,206 @@ body {
   position: relative;
 }
 
+/* Info Button */
+.info-btn {
+  width: 32px;
+  height: 32px;
+  background: var(--bg-accent);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  border-radius: 50%;
+  color: var(--text-primary);
+  font-family: 'Outfit', sans-serif;
+  font-size: 1rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: var(--transition);
+}
+
+.info-btn:hover {
+  background: var(--accent);
+  border-color: var(--accent);
+}
+
+.header-actions {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 12px;
+}
+
+/* Info Screen */
+.info-screen {
+  min-height: calc(100vh - 40px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 20px;
+}
+
+.info-content {
+  background: var(--bg-card);
+  border-radius: var(--border-radius);
+  padding: 40px 32px;
+  max-width: 480px;
+  width: 100%;
+  border: 1px solid rgba(255, 255, 255, 0.05);
+  animation: fadeIn 0.4s ease;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.info-title {
+  font-size: 2rem;
+  font-weight: 700;
+  text-align: center;
+  background: linear-gradient(135deg, var(--accent), #ff6b6b);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+  margin-bottom: 8px;
+}
+
+.info-subtitle {
+  text-align: center;
+  color: var(--text-secondary);
+  font-size: 1.1rem;
+  margin-bottom: 32px;
+}
+
+.info-section {
+  margin-bottom: 28px;
+}
+
+.info-section h2 {
+  font-size: 1.1rem;
+  font-weight: 600;
+  margin-bottom: 12px;
+  color: var(--text-primary);
+}
+
+.info-list {
+  list-style: none;
+  padding: 0;
+}
+
+.info-list li {
+  padding: 8px 0;
+  color: var(--text-secondary);
+  font-size: 0.95rem;
+  line-height: 1.5;
+}
+
+.info-list li::before {
+  content: "→";
+  color: var(--accent);
+  margin-right: 10px;
+}
+
+.info-list li strong {
+  color: var(--text-primary);
+}
+
+.effectiveness-examples {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.effectiveness-item {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  font-size: 0.85rem;
+  color: var(--text-secondary);
+}
+
+.eff-label {
+  display: inline-block;
+  width: 50px;
+  padding: 4px 8px;
+  border-radius: 4px;
+  text-align: center;
+  font-family: 'JetBrains Mono', monospace;
+  font-weight: 600;
+  font-size: 0.8rem;
+}
+
+.eff-0 {
+  background: rgba(248, 113, 113, 0.2);
+  color: var(--error);
+}
+
+.eff-1q {
+  background: rgba(251, 191, 36, 0.2);
+  color: #fbbf24;
+}
+
+.eff-2q {
+  background: rgba(251, 191, 36, 0.2);
+  color: #fbbf24;
+}
+
+.eff-1 {
+  background: rgba(160, 160, 160, 0.2);
+  color: var(--text-secondary);
+}
+
+.eff-2 {
+  background: rgba(74, 222, 128, 0.2);
+  color: var(--success);
+}
+
+.eff-4 {
+  background: rgba(74, 222, 128, 0.2);
+  color: var(--success);
+}
+
+.info-controls {
+  font-size: 0.9rem;
+  color: var(--text-secondary);
+}
+
+.key-hint {
+  display: inline-block;
+  padding: 4px 10px;
+  background: var(--bg-accent);
+  border-radius: 4px;
+  font-family: 'JetBrains Mono', monospace;
+  font-size: 0.8rem;
+  margin: 0 4px;
+  color: var(--text-primary);
+}
+
+.start-btn {
+  display: block;
+  width: 100%;
+  padding: 16px 32px;
+  background: var(--accent);
+  border: none;
+  border-radius: var(--border-radius);
+  color: white;
+  font-family: 'Outfit', sans-serif;
+  font-size: 1.1rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: var(--transition);
+  margin-top: 32px;
+}
+
+.start-btn:hover {
+  background: #ff6b6b;
+  transform: scale(1.02);
+}
+
 @media (max-width: 480px) {
   body {
     padding: 12px;
@@ -700,4 +900,20 @@ body {
   .option-label {
     font-size: 0.9rem;
   }
+
+  .info-content {
+    padding: 28px 20px;
+  }
+
+  .info-title {
+    font-size: 1.6rem;
+  }
+
+  .info-subtitle {
+    font-size: 1rem;
+  }
+
+  .effectiveness-item {
+    font-size: 0.8rem;
+  }
 }