diff --git a/assets/Game.fire b/assets/Game.fire
index eb04d90..65e3191 100644
--- a/assets/Game.fire
+++ b/assets/Game.fire
@@ -162,7 +162,7 @@
       "__type__": "cc.Vec3",
       "x": 0,
       "y": 0,
-      "z": 539.5338265577053
+      "z": 780.2888888097792
     },
     "_scale": {
       "__type__": "cc.Vec3",
@@ -1320,13 +1320,13 @@
     },
     "_enabled": true,
     "alienship1": {
-      "__uuid__": "26432aa1-71c9-45a0-bd88-35e669d6d66b"
+      "__uuid__": "cc9c71b8-6dce-463b-a0a8-99baebb6aa72"
     },
     "alienship2": {
-      "__uuid__": "3d6dff29-ac6e-4b8b-8506-3f1ed9083ffc"
+      "__uuid__": "2a44b465-8729-484a-b0d5-8028192c3600"
     },
     "alienship3": {
-      "__uuid__": "02d85ab4-7c96-4a14-9cd8-5e02c91ac383"
+      "__uuid__": "022c2978-0c9b-442a-89ef-f4df3dd70646"
     },
     "_id": "77Y3BgqzhPzpdYEPdwxYS3"
   },
diff --git a/assets/Prefabs/alienship3.prefab b/assets/Prefabs/alienship3.prefab
index 30f2726..01f1974 100644
--- a/assets/Prefabs/alienship3.prefab
+++ b/assets/Prefabs/alienship3.prefab
@@ -18,7 +18,7 @@
     "_parent": null,
     "_children": [],
     "_active": true,
-    "_level": 1,
+    "_level": 2,
     "_components": [
       {
         "__id__": 2
@@ -121,6 +121,12 @@
     "yellowBullet": {
       "__uuid__": "1e6b2ed9-fc9b-4d1a-8f2a-7773b0428ecb"
     },
+    "rocket": {
+      "__uuid__": "941946c0-687a-41ee-ba1f-ff4993adeacd"
+    },
+    "health": {
+      "__uuid__": "afab2f55-c2a7-4b21-9a71-f4d566ff70bc"
+    },
     "_id": ""
   },
   {
@@ -733,7 +739,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "93DZ+g/9FEeKshIA/tJS3m",
+    "fileId": "c9zFlVfU9Pr7HzSY8BJeaQ",
     "sync": false
   }
 ]
\ No newline at end of file
diff --git a/assets/Prefabs/alienship3.prefab.meta b/assets/Prefabs/alienship3.prefab.meta
index e677786..fa35220 100644
--- a/assets/Prefabs/alienship3.prefab.meta
+++ b/assets/Prefabs/alienship3.prefab.meta
@@ -1,6 +1,6 @@
 {
   "ver": "1.2.1",
-  "uuid": "26432aa1-71c9-45a0-bd88-35e669d6d66b",
+  "uuid": "cc9c71b8-6dce-463b-a0a8-99baebb6aa72",
   "optimizationPolicy": "AUTO",
   "asyncLoadAssets": false,
   "readonly": false,
diff --git a/assets/Prefabs/alienship4.prefab b/assets/Prefabs/alienship4.prefab
index 2d29360..07a9de6 100644
--- a/assets/Prefabs/alienship4.prefab
+++ b/assets/Prefabs/alienship4.prefab
@@ -18,7 +18,7 @@
     "_parent": null,
     "_children": [],
     "_active": true,
-    "_level": 1,
+    "_level": 2,
     "_components": [
       {
         "__id__": 2
@@ -121,6 +121,12 @@
     "yellowBullet": {
       "__uuid__": "1e6b2ed9-fc9b-4d1a-8f2a-7773b0428ecb"
     },
+    "rocket": {
+      "__uuid__": "941946c0-687a-41ee-ba1f-ff4993adeacd"
+    },
+    "health": {
+      "__uuid__": "afab2f55-c2a7-4b21-9a71-f4d566ff70bc"
+    },
     "_id": ""
   },
   {
@@ -1098,7 +1104,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "2ek+AbmdVAUYR1SE39v44O",
+    "fileId": "f9f/isXgZHr78pxJAgRYe9",
     "sync": false
   }
 ]
\ No newline at end of file
diff --git a/assets/Prefabs/alienship4.prefab.meta b/assets/Prefabs/alienship4.prefab.meta
index e7c9804..38131bb 100644
--- a/assets/Prefabs/alienship4.prefab.meta
+++ b/assets/Prefabs/alienship4.prefab.meta
@@ -1,6 +1,6 @@
 {
   "ver": "1.2.1",
-  "uuid": "3d6dff29-ac6e-4b8b-8506-3f1ed9083ffc",
+  "uuid": "2a44b465-8729-484a-b0d5-8028192c3600",
   "optimizationPolicy": "AUTO",
   "asyncLoadAssets": false,
   "readonly": false,
diff --git a/assets/Prefabs/alienship5.prefab b/assets/Prefabs/alienship5.prefab
index be18b5b..4afbbba 100644
--- a/assets/Prefabs/alienship5.prefab
+++ b/assets/Prefabs/alienship5.prefab
@@ -18,7 +18,7 @@
     "_parent": null,
     "_children": [],
     "_active": true,
-    "_level": 1,
+    "_level": 2,
     "_components": [
       {
         "__id__": 2
@@ -121,6 +121,12 @@
     "yellowBullet": {
       "__uuid__": "1e6b2ed9-fc9b-4d1a-8f2a-7773b0428ecb"
     },
+    "rocket": {
+      "__uuid__": "941946c0-687a-41ee-ba1f-ff4993adeacd"
+    },
+    "health": {
+      "__uuid__": "afab2f55-c2a7-4b21-9a71-f4d566ff70bc"
+    },
     "_id": ""
   },
   {
@@ -1133,7 +1139,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "6en9Mka0pKSKby4zJcoJBv",
+    "fileId": "53aBGR+eRGY7mE48Fc6Wgn",
     "sync": false
   }
 ]
\ No newline at end of file
diff --git a/assets/Prefabs/alienship5.prefab.meta b/assets/Prefabs/alienship5.prefab.meta
index 3a17911..19d70cb 100644
--- a/assets/Prefabs/alienship5.prefab.meta
+++ b/assets/Prefabs/alienship5.prefab.meta
@@ -1,6 +1,6 @@
 {
   "ver": "1.2.1",
-  "uuid": "02d85ab4-7c96-4a14-9cd8-5e02c91ac383",
+  "uuid": "022c2978-0c9b-442a-89ef-f4df3dd70646",
   "optimizationPolicy": "AUTO",
   "asyncLoadAssets": false,
   "readonly": false,
diff --git a/assets/Prefabs/health.prefab b/assets/Prefabs/health.prefab
new file mode 100644
index 0000000..a8212f9
--- /dev/null
+++ b/assets/Prefabs/health.prefab
@@ -0,0 +1,259 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "",
+    "_objFlags": 0,
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "asyncLoadAssets": false,
+    "readonly": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "health",
+    "_objFlags": 0,
+    "_parent": null,
+    "_children": [],
+    "_active": true,
+    "_level": 2,
+    "_components": [
+      {
+        "__id__": 2
+      },
+      {
+        "__id__": 3
+      },
+      {
+        "__id__": 4
+      }
+    ],
+    "_prefab": {
+      "__id__": 5
+    },
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 48,
+      "height": 28
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_position": {
+      "__type__": "cc.Vec3",
+      "x": -158.356,
+      "y": 27.383,
+      "z": 0
+    },
+    "_scale": {
+      "__type__": "cc.Vec3",
+      "x": 1,
+      "y": 0.6,
+      "z": 1
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "groupIndex": 4,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "_materials": [
+      {
+        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+      }
+    ],
+    "_srcBlendFactor": 770,
+    "_dstBlendFactor": 771,
+    "_spriteFrame": {
+      "__uuid__": "3f307ec9-399d-4075-842b-f3a3c22bee25"
+    },
+    "_type": 0,
+    "_sizeMode": 1,
+    "_fillType": 0,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_atlas": null,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.PolygonCollider",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "tag": 0,
+    "_offset": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "points": [
+      {
+        "__type__": "cc.Vec2",
+        "x": -12,
+        "y": 14
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -15,
+        "y": 9
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -18,
+        "y": 9
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -21,
+        "y": 6
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -21,
+        "y": 4
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -24,
+        "y": 3
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -24,
+        "y": -3
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -22,
+        "y": -3
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -17,
+        "y": -9
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -14,
+        "y": -9
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -14,
+        "y": -12
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -12,
+        "y": -14
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 13,
+        "y": -14
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 16,
+        "y": -11
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 16,
+        "y": -9
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 19,
+        "y": -9
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 24,
+        "y": -4
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 24,
+        "y": 4
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 20,
+        "y": 8
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 16,
+        "y": 8
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 16,
+        "y": 11
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 13,
+        "y": 14
+      }
+    ],
+    "_id": ""
+  },
+  {
+    "__type__": "4cc23PKJspLG7P/IBljP2/H",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "6dVfqDhfNIdKWl08hFRkvL",
+    "sync": false
+  }
+]
\ No newline at end of file
diff --git a/assets/Prefabs/health.prefab.meta b/assets/Prefabs/health.prefab.meta
new file mode 100644
index 0000000..fe081c5
--- /dev/null
+++ b/assets/Prefabs/health.prefab.meta
@@ -0,0 +1,8 @@
+{
+  "ver": "1.2.1",
+  "uuid": "afab2f55-c2a7-4b21-9a71-f4d566ff70bc",
+  "optimizationPolicy": "AUTO",
+  "asyncLoadAssets": false,
+  "readonly": false,
+  "subMetas": {}
+}
\ No newline at end of file
diff --git a/assets/Prefabs/rocket.prefab b/assets/Prefabs/rocket.prefab
new file mode 100644
index 0000000..5e20b4d
--- /dev/null
+++ b/assets/Prefabs/rocket.prefab
@@ -0,0 +1,264 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "",
+    "_objFlags": 0,
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "asyncLoadAssets": false,
+    "readonly": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "rocket",
+    "_objFlags": 0,
+    "_parent": null,
+    "_children": [],
+    "_active": true,
+    "_level": 2,
+    "_components": [
+      {
+        "__id__": 2
+      },
+      {
+        "__id__": 3
+      },
+      {
+        "__id__": 4
+      }
+    ],
+    "_prefab": {
+      "__id__": 5
+    },
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 47,
+      "height": 29
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_position": {
+      "__type__": "cc.Vec3",
+      "x": 14.357,
+      "y": 21.601,
+      "z": 0
+    },
+    "_scale": {
+      "__type__": "cc.Vec3",
+      "x": 1,
+      "y": 0.6,
+      "z": 1
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "groupIndex": 5,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "_materials": [
+      {
+        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+      }
+    ],
+    "_srcBlendFactor": 770,
+    "_dstBlendFactor": 771,
+    "_spriteFrame": {
+      "__uuid__": "4c53dcbf-af4f-4475-9922-6cfdbcfbd7e4"
+    },
+    "_type": 0,
+    "_sizeMode": 1,
+    "_fillType": 0,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_atlas": null,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.PolygonCollider",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "tag": 0,
+    "_offset": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "points": [
+      {
+        "__type__": "cc.Vec2",
+        "x": -11.5,
+        "y": 14.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -12.5,
+        "y": 12.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -14.5,
+        "y": 12.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -15.5,
+        "y": 7.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -19.5,
+        "y": 7.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -20.5,
+        "y": 4.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -23.5,
+        "y": 2.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -23.5,
+        "y": -3.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -20.5,
+        "y": -5.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -20.5,
+        "y": -7.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -15.5,
+        "y": -9.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": -14.5,
+        "y": -13.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 12.5,
+        "y": -14.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 15.5,
+        "y": -11.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 15.5,
+        "y": -9.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 17.5,
+        "y": -9.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 23.5,
+        "y": -3.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 23.5,
+        "y": 2.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 19.5,
+        "y": 5.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 19.5,
+        "y": 7.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 15.5,
+        "y": 7.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 15.5,
+        "y": 10.5
+      },
+      {
+        "__type__": "cc.Vec2",
+        "x": 11.5,
+        "y": 14.5
+      }
+    ],
+    "_id": ""
+  },
+  {
+    "__type__": "4cc23PKJspLG7P/IBljP2/H",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "89l6vGXMxG6ZmqMkvQt1+Q",
+    "sync": false
+  }
+]
\ No newline at end of file
diff --git a/assets/Prefabs/rocket.prefab.meta b/assets/Prefabs/rocket.prefab.meta
new file mode 100644
index 0000000..3d1a9a6
--- /dev/null
+++ b/assets/Prefabs/rocket.prefab.meta
@@ -0,0 +1,8 @@
+{
+  "ver": "1.2.1",
+  "uuid": "941946c0-687a-41ee-ba1f-ff4993adeacd",
+  "optimizationPolicy": "AUTO",
+  "asyncLoadAssets": false,
+  "readonly": false,
+  "subMetas": {}
+}
\ No newline at end of file
diff --git a/assets/Scripts/Addon.ts b/assets/Scripts/Addon.ts
new file mode 100644
index 0000000..88aa6ca
--- /dev/null
+++ b/assets/Scripts/Addon.ts
@@ -0,0 +1,39 @@
+// Learn TypeScript:
+//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/typescript.html
+//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/typescript.html
+// Learn Attribute:
+//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
+//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/reference/attributes.html
+// Learn life-cycle callbacks:
+//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
+//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/life-cycle-callbacks.html
+
+const {ccclass, property} = cc._decorator;
+
+@ccclass
+export default class NewClass extends cc.Component {
+
+    setMovements() {
+        var moveDown = cc.moveBy(2, cc.v2(0, -this.node.parent.getContentSize().height * 0.95));
+
+        this.node.runAction(cc.repeatForever(moveDown));
+    }
+
+    setScale() {
+        const scaleUp = cc.scaleTo(0.5, 1.25, 1);
+        const scaleDown = cc.scaleTo(0.5, 1, 1);
+        const scalePulse = cc.sequence(scaleUp, scaleDown);
+        this.node.runAction(cc.repeatForever(scalePulse));
+    }
+
+    onLoad () {
+        this.scheduleOnce(this.setMovements, 0.1);
+        this.scheduleOnce(this.setScale, 0.1);
+    }
+
+    update (dt) {
+        if(this.node.position.y <= -(this.node.parent.getContentSize().height)) {
+            this.node.destroy();
+        }
+    }
+}
diff --git a/assets/Scripts/Addon.ts.meta b/assets/Scripts/Addon.ts.meta
new file mode 100644
index 0000000..0b6e1f6
--- /dev/null
+++ b/assets/Scripts/Addon.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "1.0.5",
+  "uuid": "4cc233ca-26ca-4b1b-b3ff-2019633f6fc7",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}
\ No newline at end of file
diff --git a/assets/Scripts/EnemyShip.ts b/assets/Scripts/EnemyShip.ts
index ea647df..bd5c57c 100644
--- a/assets/Scripts/EnemyShip.ts
+++ b/assets/Scripts/EnemyShip.ts
@@ -18,11 +18,18 @@ export default class NewClass extends cc.Component {
     moveAmountX : number = 0;
     RTL: boolean = false;
 
+    specialItem: string = null;
+
     moveEnemy : cc.ActionInterval;
 
     @property(cc.Prefab)
     yellowBullet: cc.Prefab = null;
 
+    @property(cc.Prefab)
+    rocket: cc.Prefab = null;
+    @property(cc.Prefab)
+    health: cc.Prefab = null;
+
     enemyLife: number = GameData.instance.enemyHealth;
 
     playAnimation : Boolean = true;
@@ -44,7 +51,7 @@ export default class NewClass extends cc.Component {
     onLoad () {
         this.scheduleOnce(this.setMovements, 0.1);
         
-        this.schedule(this.shootBullets, GameData.instance.enemyShootingInterval, cc.macro.REPEAT_FOREVER, 0);
+        this.schedule(this.shootBullets, GameData.instance.playerShootingInterval * Math.max(0.25, Math.random()), cc.macro.REPEAT_FOREVER, 0);
     }
     onCollisionEnter(otherCollider, selfCollider) {
         if(otherCollider.name === 'greenbullet<PolygonCollider>') {
@@ -64,6 +71,16 @@ export default class NewClass extends cc.Component {
 
     removeExplosion() {
         this.node.destroy();
+        if(this.specialItem === 'rocket') {
+            var rocket = cc.instantiate(this.rocket);
+            rocket.setPosition(this.node.position.x, this.node.position.y);
+            this.node.parent.addChild(rocket);
+        }
+        if(this.specialItem === 'health') {
+            var health = cc.instantiate(this.health);
+            health.setPosition(this.node.position.x, this.node.position.y);
+            this.node.parent.addChild(health);
+        }
     }
 
     start () {
diff --git a/assets/Scripts/Game.ts b/assets/Scripts/Game.ts
index cc14b60..90e343a 100644
--- a/assets/Scripts/Game.ts
+++ b/assets/Scripts/Game.ts
@@ -41,6 +41,10 @@ export default class NewClass extends cc.Component {
         const shipXMax = screenHalfWidth - shipMaxMove - margin;
         const shipX = Math.random() * (shipXMax - shipXMin) + shipXMin;
         
+        const randomNumber = Math.ceil(Math.random() * 10);
+        const specialItem = randomNumber%2 === 0 ? null : randomNumber%3 === 0 ? 'health' : 'rocket';
+        const specialItemIndex = Math.floor(Math.random() * GameData.instance.enemySpawnInterval);    
+        
         for (let i = 0; i < GameData.instance.enemySpawnInterval; i++) {
             this.scheduleOnce(() => {
                 const ship = cc.instantiate(shipPrefab);
@@ -50,6 +54,11 @@ export default class NewClass extends cc.Component {
                 const shipScript = ship.getComponent('EnemyShip');
                 shipScript.moveAmountX = batchMoveAmountX;
                 shipScript.RTL = RTL;
+
+                if(i === specialItemIndex && specialItem !== null) {
+                    shipScript.specialItem = specialItem;
+                }
+
             }, i * GameData.instance.enemyMoveTime * 0.25);
         }
     }
@@ -60,7 +69,7 @@ export default class NewClass extends cc.Component {
     }
 
     start () {
-        this.schedule(this.spawnShips, 5, cc.macro.REPEAT_FOREVER, 1);
+        this.schedule(this.spawnShips, GameData.instance.selectedLevel * 3, cc.macro.REPEAT_FOREVER, 1);
     }
 
     // update (dt) {}
diff --git a/assets/Scripts/GameData.ts b/assets/Scripts/GameData.ts
index 921f6c0..799b3fe 100644
--- a/assets/Scripts/GameData.ts
+++ b/assets/Scripts/GameData.ts
@@ -24,41 +24,26 @@ export default class GameData extends cc.Component {
         return this._instance;
     }
 
-    // 🔹 Shooting speed (seconds per shot)
-    public get enemyShootingInterval(): number {
-        switch (this.selectedLevel) {
-            case 1: return 8;
-            case 2: return 6;
-            case 3: return 4;
-            case 4: return 2;
-            default: return 8;
-        }
-    }
-
-    // 🔹 Enemy spawn interval (seconds)
-    public get enemySpawnInterval(): number {
-        switch (this.selectedLevel) {
-            case 1: return 6;
-            case 2: return 8;
-            case 3: return 10;
-            case 4: return 12;
-            default: return 6;
-        }
-    }
-
-    // 🔹 Player speed
-    public get enemyMoveTime(): number {
-        switch (this.selectedLevel) {
-            case 1: return 3;
-            case 2: return 4;
-            case 3: return 5;
-            case 4: return 6;
-            default: return 3;
-        }
-    }
-
-    // 🔹 Any other level-based settings...
     public get enemyHealth(): number {
         return this.selectedLevel;
     }
+
+    private levelConfig = {
+        1: { shootingSpeed: 8, spawnInterval: 6, playerSpeed: 3 },
+        2: { shootingSpeed: 6, spawnInterval: 8, playerSpeed: 4 },
+        3: { shootingSpeed: 4, spawnInterval: 10, playerSpeed: 5 },
+        4: { shootingSpeed: 2, spawnInterval: 12, playerSpeed: 6 },
+    };
+
+    public get playerShootingInterval(): number {
+        return this.levelConfig[this.selectedLevel].shootingSpeed;
+    }
+
+    public get enemySpawnInterval(): number {
+        return this.levelConfig[this.selectedLevel].spawnInterval;
+    }
+
+    public get enemyMoveTime(): number {
+        return this.levelConfig[this.selectedLevel].playerSpeed;
+    }
 }
diff --git a/assets/Scripts/MoveJet.ts b/assets/Scripts/MoveJet.ts
index 872e5da..c467edc 100644
--- a/assets/Scripts/MoveJet.ts
+++ b/assets/Scripts/MoveJet.ts
@@ -15,6 +15,7 @@ export default class NewClass extends cc.Component {
 
     private isDragging: boolean = false;
     private touchOffset: cc.Vec2 = cc.v2(0, 0);
+    private shootingInterval: number = 1;
 
     @property(cc.Prefab)
     greenBullet: cc.Prefab = null;
@@ -30,13 +31,39 @@ export default class NewClass extends cc.Component {
                 cc.director.loadScene('Menu');
             }
         }
+        else if(otherCollider.name === 'health<PolygonCollider>') {
+            this.playerLifes = 5;
+            otherCollider.node.destroy();
+        }
+        else if(otherCollider.name === 'rocket<PolygonCollider>') {
+            this.shootingInterval = Math.min(this.shootingInterval + 1, 3);
+            otherCollider.node.destroy();
+        }
     }
-    shootBullets() {
+
+    spawnBullet(offsetX: number, offsetY: number) {
         var bullet = cc.instantiate(this.greenBullet);
-        bullet.setPosition(this.node.position.x, this.node.position.y + 40);
+        bullet.setPosition(this.node.position.x + offsetX, this.node.position.y + offsetY);
         this.node.parent.addChild(bullet);
     }
 
+    shootBullets() {
+        switch (this.shootingInterval) {
+            case 1:
+                this.spawnBullet(0, 40);
+                break;
+            case 2:
+                this.spawnBullet(-30, 20);
+                this.spawnBullet(30, 20);
+                break;
+            case 3:
+                this.spawnBullet(0, 40);
+                this.spawnBullet(-30, 20);
+                this.spawnBullet(30, 20);
+                break;
+        }
+    }
+
     onLoad() {
         // Enable touch on this node directly
         this.node.on(cc.Node.EventType.TOUCH_START, this.onTouchStart, this);
diff --git a/assets/addons.meta b/assets/addons.meta
new file mode 100644
index 0000000..1592e93
--- /dev/null
+++ b/assets/addons.meta
@@ -0,0 +1,7 @@
+{
+  "ver": "1.0.1",
+  "uuid": "f2df831b-59ae-48ef-bf79-c73b646914e6",
+  "isSubpackage": false,
+  "subpackageName": "",
+  "subMetas": {}
+}
\ No newline at end of file
diff --git a/assets/addons/Powerup_Health_png_processed.png b/assets/addons/Powerup_Health_png_processed.png
new file mode 100644
index 0000000..578f1ca
Binary files /dev/null and b/assets/addons/Powerup_Health_png_processed.png differ
diff --git a/assets/addons/Powerup_Health_png_processed.png.meta b/assets/addons/Powerup_Health_png_processed.png.meta
new file mode 100644
index 0000000..aae6cec
--- /dev/null
+++ b/assets/addons/Powerup_Health_png_processed.png.meta
@@ -0,0 +1,34 @@
+{
+  "ver": "2.3.3",
+  "uuid": "47576a33-93e4-4363-aec1-dc94f4735c2c",
+  "type": "sprite",
+  "wrapMode": "clamp",
+  "filterMode": "bilinear",
+  "premultiplyAlpha": false,
+  "genMipmaps": false,
+  "packable": true,
+  "platformSettings": {},
+  "subMetas": {
+    "Powerup_Health_png_processed": {
+      "ver": "1.0.4",
+      "uuid": "3f307ec9-399d-4075-842b-f3a3c22bee25",
+      "rawTextureUuid": "47576a33-93e4-4363-aec1-dc94f4735c2c",
+      "trimType": "auto",
+      "trimThreshold": 1,
+      "rotated": false,
+      "offsetX": 0,
+      "offsetY": -0.5,
+      "trimX": 0,
+      "trimY": 1,
+      "width": 48,
+      "height": 28,
+      "rawWidth": 48,
+      "rawHeight": 29,
+      "borderTop": 0,
+      "borderBottom": 0,
+      "borderLeft": 0,
+      "borderRight": 0,
+      "subMetas": {}
+    }
+  }
+}
\ No newline at end of file
diff --git a/assets/addons/Powerup_Rockets_png_processed.png b/assets/addons/Powerup_Rockets_png_processed.png
new file mode 100644
index 0000000..19ee0ca
Binary files /dev/null and b/assets/addons/Powerup_Rockets_png_processed.png differ
diff --git a/assets/addons/Powerup_Rockets_png_processed.png.meta b/assets/addons/Powerup_Rockets_png_processed.png.meta
new file mode 100644
index 0000000..e9a8053
--- /dev/null
+++ b/assets/addons/Powerup_Rockets_png_processed.png.meta
@@ -0,0 +1,34 @@
+{
+  "ver": "2.3.3",
+  "uuid": "b86733b4-4748-4f4a-ba68-b3cbb69bb3bb",
+  "type": "sprite",
+  "wrapMode": "clamp",
+  "filterMode": "bilinear",
+  "premultiplyAlpha": false,
+  "genMipmaps": false,
+  "packable": true,
+  "platformSettings": {},
+  "subMetas": {
+    "Powerup_Rockets_png_processed": {
+      "ver": "1.0.4",
+      "uuid": "4c53dcbf-af4f-4475-9922-6cfdbcfbd7e4",
+      "rawTextureUuid": "b86733b4-4748-4f4a-ba68-b3cbb69bb3bb",
+      "trimType": "auto",
+      "trimThreshold": 1,
+      "rotated": false,
+      "offsetX": 0,
+      "offsetY": 0,
+      "trimX": 0,
+      "trimY": 0,
+      "width": 47,
+      "height": 29,
+      "rawWidth": 47,
+      "rawHeight": 29,
+      "borderTop": 0,
+      "borderBottom": 0,
+      "borderLeft": 0,
+      "borderRight": 0,
+      "subMetas": {}
+    }
+  }
+}
\ No newline at end of file
diff --git a/settings/project.json b/settings/project.json
index f319bb8..77281bf 100644
--- a/settings/project.json
+++ b/settings/project.json
@@ -22,12 +22,22 @@
       true,
       false,
       true,
+      false,
+      true,
+      true
+    ],
+    [
+      false,
+      false,
+      false,
+      true,
       false
     ],
     [
       false,
       false,
       false,
+      true,
       false,
       false
     ]
@@ -52,7 +62,8 @@
     "greenBullet",
     "BadGuy",
     "player",
-    "New Group 6"
+    "ammo",
+    "rocket"
   ],
   "last-module-event-record-time": 1761549490300,
   "simulator-orientation": false,
@@ -61,6 +72,5 @@
     "width": 960
   },
   "use-customize-simulator": true,
-  "use-project-simulator-setting": false,
-  "start-scene": "current"
+  "use-project-simulator-setting": false
 }
\ No newline at end of file