diff --git a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
index 9686fbf1..9b6a45f0 100644
--- a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
+++ b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
@@ -16,6 +16,7 @@ public class CornManager : MonoBehaviour
     [SerializeField] private Transform cornSpawnTarget;
     [SerializeField] private Corn cornPrefab;
     [SerializeField] private int cornSpawnCount = 20;
+    [SerializeField] private int maxFailedCornCount = 10;
     [SerializeField, ReadOnly] private float baseGrowSpeed = 1f;
     [SerializeField] private float hotGrowSpeed;
     [SerializeField] private float baseCornPopTime = 5f;
@@ -88,24 +89,35 @@ public class CornManager : MonoBehaviour
             cornConditions.Add(corn.Condition);
         }
 
-        // すべてのコーンがSeedではなくなったら通知
-        Observable.CombineLatest(cornConditions)
+        var cornConditionsObservable = Observable.CombineLatest(cornConditions).Publish().RefCount();
+        
+        // 焦げたコーンorフライパンを飛び出したコーンが設定値を超えるとFailure
+        cornConditionsObservable
+            .FirstOrDefault(x => x.Count(c => c == CornCondition.Burnt || c == CornCondition.Spilled) >= maxFailedCornCount)
+            .Subscribe(x =>
+            {
+                if (x == null) return;
+                SetResult(CornResult.Failure);
+            })
+            .AddTo(compositeDisposable);
+        
+        // すべてのコーンがSeedではなくなった場合
+        cornConditionsObservable
             .FirstOrDefault(x => !x.Contains(CornCondition.Seed))
             .Subscribe(x =>
             {
-                cornGrowSpeed.Value = 0f;
-                isCompleted = true;
+                if (x == null) return;
                 if (x.Count(c => c == CornCondition.Simple) == x.Count) // すべてのコーンがPopped
                 {
-                    result.SetValueAndForceNotify(CornResult.Perfect);
+                    SetResult(CornResult.Perfect);
                 }
                 else if (x.Count(c => c == CornCondition.Simple) == 0) // すべてのコーンが飛び出した OR すべて焦げた
                 {
-                    result.SetValueAndForceNotify(CornResult.Failure);
+                    SetResult(CornResult.Failure);
                 }
                 else
                 {
-                    result.SetValueAndForceNotify(CornResult.Good);
+                    SetResult(CornResult.Good);
                 }
             }).AddTo(compositeDisposable);
     }
@@ -130,4 +142,11 @@ public class CornManager : MonoBehaviour
                 throw new ArgumentOutOfRangeException(nameof(condition), condition, null);
         }
     }
+
+    private void SetResult(CornResult resultValue)
+    {
+        cornGrowSpeed.Value = 0f;
+        isCompleted = true;
+        result.SetValueAndForceNotify(resultValue);
+    }
 }