diff --git a/src/assets/music/game.mp3 b/src/assets/music/game.mp3
new file mode 100644
index 0000000..efb0463
Binary files /dev/null and b/src/assets/music/game.mp3 differ
diff --git a/src/game/firstperson.html b/src/game/firstperson.html
index 19f750e..0994222 100644
--- a/src/game/firstperson.html
+++ b/src/game/firstperson.html
@@ -12,8 +12,9 @@
 </head>
 
 <body>
+    <audio id="bgm" src="/assets/music/game.mp3"></audio>
     <div class="container-first">
-        <div class="content"">
+        <div class="content">
             <div class="boss">
                 <img id="boss" src="/assets/Design/PYTHON-BOSSFIGHTMODEFINALt.gif" alt="">
                 <img id="dmg" class="dmg" src="/assets/Design/damageeffect.gif"/>
@@ -35,6 +36,13 @@
         </div>
     </div>
     <script type="module" src="/js/firstperson.js"></script>
+    <script>
+        document.addEventListener("DOMContentLoaded", () => {
+            const bgm = document.getElementById("bgm");
+            bgm.play()
+            
+        });
+    </script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/src/js/soal.js b/src/js/soal.js
index 35b691f..01323f8 100644
--- a/src/js/soal.js
+++ b/src/js/soal.js
@@ -39,7 +39,7 @@ export const questions = [
         question: "What is the result of the following operation ? (print('5'+'5'))",
         answers: [
             {text: "10", correct: false},
-            {text: "55*", correct: true},
+            {text: "55", correct: true},
             {text: "error", correct: false},
             {text: "NaN", correct: false},
         ]
@@ -117,7 +117,7 @@ export const questions = [
         ]
     },
     {
-        question: '3 * "A" output ?',
+        question: '(3 * "A") output ?',
         answers: [
             {text: "error", correct: false},
             {text: "none", correct: false},
diff --git a/src/leaderboard.php b/src/leaderboard.php
index 2b39444..0636e07 100644
--- a/src/leaderboard.php
+++ b/src/leaderboard.php
@@ -42,6 +42,7 @@ if($result){
         <link rel="stylesheet" href="css/style.css">
     </head>
     <body>
+        <audio id="bgm" src="/assets/music/leaderboard.mp3"></audio>
         <div class="container-board">
         <a class="back" href="onboard.php" data-aos="fade-in" data-aos-duration="3000">✖</a>            
             <div class="chara">
@@ -99,6 +100,13 @@ if($result){
                 </table>
             </div>
         </div>
+        <script>
+        document.addEventListener("DOMContentLoaded", () => {
+            const bgm = document.getElementById("bgm");
+            bgm.play()
+            
+        });
+    </script>
     </body>
 
     </html>
\ No newline at end of file
