diff --git a/Assets/Script/Game/GameLogic.cs b/Assets/Script/Game/GameLogic.cs
index 8d21ec4..7b9f8f2 100644
--- a/Assets/Script/Game/GameLogic.cs
+++ b/Assets/Script/Game/GameLogic.cs
@@ -34,6 +34,7 @@ public partial class GameLogic : IDisposable
     public int SelectedRow { get; private set; }
     public int SelectedCol { get; private set; }
     public FioTimer FioTimer { get; private set; }
+    public bool GameInProgress { get; private set; } // 게임 진행 중인지 확인
 
     #endregion
 
@@ -120,10 +121,9 @@ public partial class GameLogic : IDisposable
                     Debug.Log("## End Game");
                     ExecuteOnMainThread(() =>
                     {
-                        GameManager.Instance.panelManager.OpenConfirmPanel("연결이 끊어졌습니다.", () => 
+                        GameManager.Instance.panelManager.OpenConfirmPanel("상대방이 방을 나갔습니다.", () => 
                         {
-                            GameManager.Instance.panelManager.OpenEffectPanel(Enums.GameResult.Win);
-                            EndGame(Enums.GameResult.Win);
+                            // TODO: 무승부/항복 등 버튼 동작 안하도록 처리
                         });
                     });
                     break;
@@ -199,6 +199,7 @@ public partial class GameLogic : IDisposable
                         break;
                 case Constants.MultiplayManagerState.ReceiveRevengeRequest:
                     Debug.Log("상대방의 재대결 요청이 들어옴");
+                    ChangeGameInProgress(true);
                     ExecuteOnMainThread(() =>
                     {
                         GameManager.Instance.panelManager.OpenDrawConfirmPanel("상대방의 재대결 요청을\n승낙하시겠습니까?", () =>
@@ -276,7 +277,14 @@ public partial class GameLogic : IDisposable
                     break;
                 case Constants.MultiplayManagerState.OpponentDisconnected:
                     Debug.Log("상대방 강제 종료");
-                    // 실제로 실행되지 않음. 상대방 강제 종료 시에는 EndGame으로 처리됨
+                    ExecuteOnMainThread(() =>
+                    {
+                        GameManager.Instance.panelManager.OpenConfirmPanel("연결이 끊어졌습니다.", () => 
+                        {
+                            GameManager.Instance.panelManager.OpenEffectPanel(Enums.GameResult.Win);
+                            EndGame(Enums.GameResult.Win);
+                        });
+                    });
                     break;
             }
             ReplayManager.Instance.InitReplayData(UserManager.Instance.Nickname,"nicknameB");
@@ -339,6 +347,9 @@ public partial class GameLogic : IDisposable
     // 메인스레드에서 게임 시작
     private void StartGameOnMainThread()
     {
+        ChangeGameInProgress(true);
+        Debug.Log("GameInProgress 변경 true");
+        
         ExecuteOnMainThread(() =>
         {
             // 로딩 패널 열려있으면 닫기
@@ -551,10 +562,24 @@ public partial class GameLogic : IDisposable
     private void TimerUnpause() => FioTimer.StartTimer();
 
     #endregion
+
+    public void ChangeGameInProgress(bool inProgress)
+    {
+        if (GameInProgress == inProgress)
+            return;
+        
+        GameInProgress = inProgress;
+    }
     
     public void Dispose()
     {
         MultiPlayManager?.LeaveRoom(_roomId);
         MultiPlayManager?.Dispose();
     }
+    
+    public void ForceQuit()
+    {
+        MultiPlayManager?.ForceQuit(_roomId);
+        MultiPlayManager?.Dispose();
+    }
 }
diff --git a/Assets/Script/Game/GameManager.cs b/Assets/Script/Game/GameManager.cs
index 0507fbe..10bc6fc 100644
--- a/Assets/Script/Game/GameManager.cs
+++ b/Assets/Script/Game/GameManager.cs
@@ -156,6 +156,11 @@ public class GameManager : Singleton<GameManager>
     private void OnApplicationQuit()
     {
         Debug.Log("앱 종료 감지: 소켓 연결 정리 중...");
-        _gameLogic?.Dispose();
+        
+        if(_gameLogic.GameInProgress)
+            _gameLogic?.ForceQuit();
+        else 
+            _gameLogic?.Dispose();
+        
     }
 }
\ No newline at end of file
diff --git a/Assets/Script/Game/GameUtility/GameRoutine.cs b/Assets/Script/Game/GameUtility/GameRoutine.cs
index 18c131f..a6b26cb 100644
--- a/Assets/Script/Game/GameUtility/GameRoutine.cs
+++ b/Assets/Script/Game/GameUtility/GameRoutine.cs
@@ -1,4 +1,6 @@
-public partial class GameLogic
+using UnityEngine;
+
+public partial class GameLogic
 {
     // 돌 카운터 증가 함수
     public void CountStoneCounter() => _totalStoneCounter++;
@@ -85,5 +87,7 @@
         SetState(null);
         ReplayManager.Instance.SaveReplayDataResult(result);
         //TODO: 게임 종료 후 행동 구현
+        ChangeGameInProgress(false);
+        Debug.Log("GameInProgress 변경 false");
     }
 }
\ No newline at end of file
diff --git a/Assets/Script/Game/MultiplayManager.cs b/Assets/Script/Game/MultiplayManager.cs
index 1c69ac6..1e8c232 100644
--- a/Assets/Script/Game/MultiplayManager.cs
+++ b/Assets/Script/Game/MultiplayManager.cs
@@ -218,6 +218,18 @@ public class MultiplayManager : IDisposable
         _roomId = null; // 방 나가면 roomId 초기화
     }
     
+    public void ForceQuit(string roomId)
+    {
+        if (string.IsNullOrEmpty(_roomId))
+        {
+            Debug.LogError("Disconnect 호출 실패: _roomId가 설정되지 않음");
+            return;
+        }
+
+        _socket.Emit("disconnect", new { roomId = _roomId });
+        _roomId = null; // 방 나가면 roomId 초기화
+    }
+    
     public void RequestSurrender()
     {
         if (string.IsNullOrEmpty(_roomId))