diff --git a/Movement/BirdJump.cs b/Movement/BirdJump.cs
index 96c9dfd..48be415 100644
--- a/Movement/BirdJump.cs
+++ b/Movement/BirdJump.cs
@@ -1,6 +1,7 @@
 using System.Collections; //python의 import == using
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.SceneManagement;
 
 public class BirdJump : MonoBehaviour
 {
@@ -18,8 +19,16 @@ void Update()
     {
         if(Input.GetMouseButtonDown(0))
         {
+            GetComponent<AudioSource>().Play(); // 점프할 때마다 소리 출력
             rb.velocity = Vector2.up * jumpPower; //(0,1)*3, Vector3면 3차원(x,y,z), 3만큼 힘을 받아서 점프
    
         }
     }
+
+    private void OnCollisionEnter2D(Collision2D other) { //물체가 서로 부딪혔을 때 {}안의 내용을 실행
+        if(Score.score > Score.bestScore){
+            Score.bestScore = Score.score;
+        }
+        SceneManager.LoadScene("GameOverScene"); // 새가 물체에 부딪혀서 GameOverScene으로 전환
+    }
 }