diff --git a/game.php b/game.php
new file mode 100644
index 0000000..57d897b
--- /dev/null
+++ b/game.php
@@ -0,0 +1,189 @@
+<?php
+session_start();
+if (!isset($_SESSION['user_id'])) {
+    header('Location: index.php');
+    exit;
+}
+
+$mode = $_GET['mode'] ?? "pvp";
+$username = htmlspecialchars($_SESSION['username']);
+?>
+
+<!DOCTYPE html>
+<html lang="id">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<title>Dam Inggris - Main</title>
+
+<link rel="stylesheet" href="assets/css/style.css">
+
+<style>
+body {
+    margin: 0;
+    font-family: Arial, sans-serif;
+    background: #0f172a;
+    color: white;
+}
+
+/* HEADER */
+.topbar {
+    width: 100%;
+    padding: 15px 20px;
+    background: #1e293b;
+    text-align: center;
+    font-size: 18px;
+    font-weight: bold;
+}
+.topbar a { color: #38bdf8; text-decoration:none; }
+
+/* WRAPPER UTAMA */
+.main-wrapper {
+    margin-top: 25px;
+    display: flex;
+    justify-content: center;
+    gap: 25px;
+}
+
+/* LEADERBOARD */
+.leaderboard-box {
+    width: 220px;
+    background: #1e293b;
+    padding: 16px;
+    border-radius: 12px;
+    color: white;
+    height: fit-content;
+    box-shadow: 0 8px 18px rgba(0,0,0,0.35);
+}
+
+.leaderboard-box h3 {
+    margin: 0 0 10px;
+    text-align: center;
+}
+
+.lb-row {
+    display: flex;
+    justify-content: space-between;
+    padding: 8px;
+    border-radius: 6px;
+    margin-bottom: 6px;
+    background: rgba(255,255,255,0.05);
+}
+
+.lb-row.me {
+    background: rgba(14,165,164,0.25);
+}
+
+/* BOARD + CONTROLS */
+.board-area {
+    display: flex;
+    gap: 20px;
+    align-items: flex-start;
+}
+
+/* CANVAS */
+canvas#board {
+    width: 600px !important;
+    height: 600px !important;
+    background: #000;
+    border: 3px solid #333;
+    border-radius: 10px;
+}
+
+/* TOMBOL */
+.right-controls {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+}
+
+.right-controls button {
+    padding: 12px 18px;
+    font-size: 16px;
+    cursor: pointer;
+    border-radius: 8px;
+    border: none;
+    background: #0ea5a4;
+    color: white;
+    font-weight: bold;
+}
+
+.right-controls button:hover {
+    background: #1e293b;
+}
+</style>
+
+</head>
+<body>
+
+<header class="topbar">
+  Halo, <?= $username ?> | <a href="mode.php">Pilih Mode</a>
+  <div id="credit" style="
+            text-align:center;
+            margin-top:12px;
+            color:#ccc;
+            font-size:14px;
+        ">
+            Credits: Alvin, Basilius & Gray - Kelompok 11
+        </div>
+</header>
+
+<!-- ====== WRAPPER UTAMA ====== -->
+<div class="main-wrapper">
+
+    <!-- LEADERBOARD -->
+    <div class="leaderboard-box">
+        <h3>🏆 Leaderboard</h3>
+        <div id="leaderboardList">Memuat...</div>
+    </div>
+
+    <!-- ====== TENGAH: BOARD & CREDIT ====== -->
+    <div class="center-panel" style="display:flex; flex-direction:column; align-items:center;">
+        
+        <canvas id="board" width="640" height="640"></canvas>
+
+    </div>
+
+    <!-- ====== KANAN: TIMER & BUTTON ====== -->
+    <div class="bottom-controls">
+
+        <div id="timerBox" style="
+            background:#1e293b;
+            padding:10px;
+            border-radius:8px;
+            text-align:center;
+            margin-bottom:10px;
+            color:white;
+            font-size:18px;
+            font-weight:bold;
+        ">
+            ⏱ <span id="timer">00:00</span>
+        </div>
+
+        <button id="newBtn">New Game</button>
+        <button id="undoBtn">Undo</button>
+
+        <button id="menu-btn" onclick="window.location='settings.php'">
+            Settings
+        </button>
+
+    </div>
+</div>
+
+    </div>
+
+</div>
+
+<script>
+    const GAME_MODE = "<?= $mode ?>";
+    const CURRENT_USER_ID = <?= intval($_SESSION['user_id']) ?>;
+    const CURRENT_USERNAME = "<?= htmlspecialchars($_SESSION['username'], ENT_QUOTES) ?>";
+    const ENABLE_HINTS = <?= $_SESSION['hints'] ? "true" : "false" ?>;
+</script>
+
+
+<!-- load script game.js -->
+<script src="assets/js/game.js"></script>
+
+</body>
+</html>
