diff --git a/MissileCommander/Assets/Game/Core/Missile.prefab b/MissileCommander/Assets/Game/Core/Missile.prefab
index d7c6f93..d0bc9cd 100644
--- a/MissileCommander/Assets/Game/Core/Missile.prefab
+++ b/MissileCommander/Assets/Game/Core/Missile.prefab
@@ -104,7 +104,6 @@ GameObject:
   m_Component:
   - component: {fileID: 5711166925691360735}
   - component: {fileID: 5711166925691360734}
-  - component: {fileID: 1619056898089133577}
   m_Layer: 0
   m_Name: Missile_0
   m_TagString: Untagged
@@ -176,15 +175,3 @@ SpriteRenderer:
   m_WasSpriteAssigned: 1
   m_MaskInteraction: 0
   m_SpriteSortPoint: 0
---- !u!114 &1619056898089133577
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 5711166925691360728}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 42124bdd7fda48d3becb8731b89690f6, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
diff --git a/MissileCommander/Assets/Scenes/SampleScene.unity b/MissileCommander/Assets/Scenes/SampleScene.unity
index 07b332a..40c338a 100644
--- a/MissileCommander/Assets/Scenes/SampleScene.unity
+++ b/MissileCommander/Assets/Scenes/SampleScene.unity
@@ -364,7 +364,7 @@ MonoBehaviour:
   - {fileID: 598110664}
   missilePrefab: {fileID: 5711166924668602170, guid: 6e3ed30d88f130b488476553a9ef130c,
     type: 3}
-  destroyEffect: {fileID: 8157270428527755281, guid: 460346ccc206af549931e9ccb77609ba,
+  destroyEffect: {fileID: 6117580419327657503, guid: 460346ccc206af549931e9ccb77609ba,
     type: 3}
 --- !u!4 &1776773259
 Transform:
diff --git a/MissileCommander/Assets/_Scripts/BuildingManager.cs b/MissileCommander/Assets/_Scripts/BuildingManager.cs
index 33c4500..228018b 100644
--- a/MissileCommander/Assets/_Scripts/BuildingManager.cs
+++ b/MissileCommander/Assets/_Scripts/BuildingManager.cs
@@ -12,6 +12,8 @@ public class BuildingManager
         
         private List<Building> _buildings = new List<Building>();
 
+        public bool HasBuilding => _buildings.Count > 0;
+
         public BuildingManager(Building buildingPrefab, Transform[] buildingLocators, Factory effectFactory)
         {
             this._buildingPrefab = buildingPrefab;
diff --git a/MissileCommander/Assets/_Scripts/GameManager.cs b/MissileCommander/Assets/_Scripts/GameManager.cs
index 9997e41..a6fbef2 100644
--- a/MissileCommander/Assets/_Scripts/GameManager.cs
+++ b/MissileCommander/Assets/_Scripts/GameManager.cs
@@ -23,6 +23,8 @@ public class GameManager : MonoBehaviour
         [Header("Missile & Effect")]
         [SerializeField] private Missile missilePrefab;
         [SerializeField] private DestroyEffect destroyEffect;
+        [SerializeField] private float missileSpawnInterval = 0.5f;
+        [SerializeField] private int maxMissileCount = 20;
 
         private MouseGameController _mouseGameController;
         private BulletLauncher _launcher;
@@ -40,7 +42,7 @@ private void Start()
             _buildingMgr = new BuildingManager(buildingPrefab, buildingLocators, new Factory(destroyEffect, 2));
 
             _missileMgr = gameObject.AddComponent<MissileManager>();
-            _missileMgr.Initialize(new Factory(missilePrefab), _buildingMgr);
+            _missileMgr.Initialize(new Factory(missilePrefab), _buildingMgr, maxMissileCount, missileSpawnInterval);
             
             _mouseGameController = gameObject.AddComponent<MouseGameController>();
             
diff --git a/MissileCommander/Assets/_Scripts/Missile.cs b/MissileCommander/Assets/_Scripts/Missile.cs
index fcb0d95..984a9b7 100644
--- a/MissileCommander/Assets/_Scripts/Missile.cs
+++ b/MissileCommander/Assets/_Scripts/Missile.cs
@@ -32,6 +32,14 @@ private void OnTriggerEnter2D(Collider2D other)
             if (other.TryGetComponent(out Building building))
             {
                 DestroySelf();
+                return;
+            }
+
+            if (other.TryGetComponent(out Explosion explosion))
+            {
+                Debug.Log("Intercepted by explosion!");
+                DestroySelf();
+                return;
             }
         }
 
diff --git a/MissileCommander/Assets/_Scripts/MissileManager.cs b/MissileCommander/Assets/_Scripts/MissileManager.cs
index ea40edd..d7bf557 100644
--- a/MissileCommander/Assets/_Scripts/MissileManager.cs
+++ b/MissileCommander/Assets/_Scripts/MissileManager.cs
@@ -1,4 +1,4 @@
-using System;
+using System.Collections;
 using UnityEngine;
 using Random = UnityEngine.Random;
 
@@ -11,6 +11,12 @@ public class MissileManager : MonoBehaviour
         private BuildingManager _buildingMgr;
 
         private bool _isInitialized = false;
+        private int _maxMissileCount = 20;
+        private float _missileSpawnInterval = 0.5f;
+        private int _currentMissileCount;
+
+        private Coroutine _spawningMissile;
+        
         private Camera _mainCamera;
 
         private void Awake()
@@ -18,12 +24,14 @@ private void Awake()
             _mainCamera = Camera.main != null ? Camera.main : FindObjectOfType<Camera>();
         }
 
-        public void Initialize(Factory missileFactory, BuildingManager buildingMgr)
+        public void Initialize(Factory missileFactory, BuildingManager buildingMgr, int maxMissileCount, float missileSpawnInterval)
         {
             if (_isInitialized) { return; }
             
             this._missileFactory = missileFactory;
             this._buildingMgr = buildingMgr;
+            this._maxMissileCount = maxMissileCount;
+            this._missileSpawnInterval = missileSpawnInterval;
             
             Debug.Assert(_missileFactory != null, "MissileManager : Missile Factory is null!");
             Debug.Assert(_buildingMgr != null, "MissileManager : BuildingManager is null!");
@@ -33,7 +41,8 @@ public void Initialize(Factory missileFactory, BuildingManager buildingMgr)
 
         public void OnGameStart()
         {
-            SpawnMissile();
+            _currentMissileCount = 0;
+            _spawningMissile = StartCoroutine(AutoSpawnMissile());
         }
 
         private void SpawnMissile()
@@ -45,6 +54,8 @@ private void SpawnMissile()
             missile.Activate(GetMissileSpawnPosition(), _buildingMgr.GetRandomBuildingPosition());
 
             missile.onDestroyed += this.OnMissileDestroyed;
+
+            _currentMissileCount++;
         }
 
         private Vector3 GetMissileSpawnPosition()
@@ -58,6 +69,23 @@ private Vector3 GetMissileSpawnPosition()
             return spawnPosition;
         }
 
+        private IEnumerator AutoSpawnMissile()
+        {
+            WaitForSeconds spawnInterval = new WaitForSeconds(_missileSpawnInterval);
+            while (_currentMissileCount < _maxMissileCount)
+            {
+                yield return spawnInterval;
+                
+                if (!_buildingMgr.HasBuilding)
+                {
+                    Debug.LogWarning("There is no building left to target!");
+                    yield break;
+                }
+                
+                SpawnMissile();
+            }
+        }
+
         private void OnMissileDestroyed(RecyclableObject missile)
         {
             missile.onDestroyed -= this.OnMissileDestroyed;