diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
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diff --git a/ai_clients/__init__.py b/ai_clients/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/ai_clients/__pycache__/client_template.cpython-39.pyc b/ai_clients/__pycache__/client_template.cpython-39.pyc
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diff --git a/ai_clients/client_template.py b/ai_clients/client_template.py
new file mode 100644
index 0000000..41fbe77
--- /dev/null
+++ b/ai_clients/client_template.py
@@ -0,0 +1,24 @@
+import random
+
+
+class MLPlay:
+    def __init__(self, ai_name:str,*args, **kwargs):
+        print(f"Initial {__file__} script with ai_name:{ai_name}")
+
+
+    def update(self, scene_info: dict, *args, **kwargs):
+        """
+        Generate the command according to the received scene information
+        """
+        # print("AI received data from game :", json.dumps(scene_info))
+        # print(scene_info)
+        actions = ["UP", "DOWN", "LEFT", "RIGHT"]
+
+        return random.sample(actions, 1)
+
+    def reset(self):
+        """
+        Reset the status
+        """
+        print("reset ml script")
+        pass
diff --git a/ai_clients/client_with_error_in_update.py b/ai_clients/client_with_error_in_update.py
new file mode 100644
index 0000000..5f9c4ce
--- /dev/null
+++ b/ai_clients/client_with_error_in_update.py
@@ -0,0 +1,26 @@
+import random
+
+
+class MLPlay:
+    def __init__(self, *args, **kwargs):
+        print("Initial ml script")
+        self.count=0
+
+    def update(self, scene_info: dict, *args, **kwargs):
+        """
+        Generate the command according to the received scene information
+        """
+        # print("AI received data from game :", json.dumps(scene_info))
+        # print(scene_info)
+        actions = ["UP", "DOWN", "LEFT", "RIGHT"]
+        self.count+=1
+        if self.count >100:
+            a = actions[100]
+        return random.sample(actions, 1)
+
+    def reset(self):
+        """
+        Reset the status
+        """
+        print("reset ml script")
+        pass
diff --git a/ai_clients/client_with_syntax_error.py b/ai_clients/client_with_syntax_error.py
new file mode 100644
index 0000000..507adb1
--- /dev/null
+++ b/ai_clients/client_with_syntax_error.py
@@ -0,0 +1,22 @@
+import random
+
+class MLPlay:
+    def __init__(self, *args, **kwargs)
+        print("Initial ml script")
+
+    def update(self, scene_info: dict, *args, **kwargs):
+        """
+        Generate the command according to the received scene information
+        """
+        # print("AI received data from game :", json.dumps(scene_info))
+        # print(scene_info)
+        actions = ["UP", "DOWN", "LEFT", "RIGHT"]
+
+        return random.sample(actions, 1)
+
+    def reset(self):
+        """
+        Reset the status
+        """
+        print("reset ml script")
+        pass
diff --git a/ai_clients/client_with_unvalid_import.py b/ai_clients/client_with_unvalid_import.py
new file mode 100644
index 0000000..4c16862
--- /dev/null
+++ b/ai_clients/client_with_unvalid_import.py
@@ -0,0 +1,24 @@
+import random
+import aaa
+
+
+class MLPlay:
+    def __init__(self, *args, **kwargs):
+        print("Initial ml script")
+
+    def update(self, scene_info: dict, *args, **kwargs):
+        """
+        Generate the command according to the received scene information
+        """
+        # print("AI received data from game :", json.dumps(scene_info))
+        # print(scene_info)
+        actions = ["UP", "DOWN", "LEFT", "RIGHT"]
+
+        return random.sample(actions, 1)
+
+    def reset(self):
+        """
+        Reset the status
+        """
+        print("reset ml script")
+        pass
diff --git a/ai_clients/manual.py b/ai_clients/manual.py
new file mode 100644
index 0000000..e85c808
--- /dev/null
+++ b/ai_clients/manual.py
@@ -0,0 +1,36 @@
+import pygame
+
+
+class MLPlay:
+    def __init__(self, ai_name: str, *args, **kwargs):
+        self.ai_name = ai_name
+        print(f"Initial {__file__} script with ai_name:{ai_name}")
+
+    def update(self, scene_info: dict, keyboard: list = [], *args, **kwargs):
+        """
+        Generate the command according to the received scene information
+        """
+        # print("AI received data from game :", json.dumps(scene_info))
+        # print(scene_info)
+        actions = []
+
+        if pygame.K_w in keyboard or pygame.K_UP in keyboard:
+            actions.append("UP")
+        elif pygame.K_s in keyboard or pygame.K_DOWN in keyboard:
+            actions.append("DOWN")
+
+        elif pygame.K_a in keyboard or pygame.K_LEFT in keyboard:
+            actions.append("LEFT")
+        elif pygame.K_d in keyboard or pygame.K_RIGHT in keyboard:
+            actions.append("RIGHT")
+        else:
+            actions.append("NONE")
+
+        return actions
+
+    def reset(self):
+        """
+        Reset the status
+        """
+        print("reset ml script")
+        pass
diff --git a/asset/easy_game.gif b/asset/easy_game.gif
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index 0000000..6d8cff9
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diff --git a/asset/img/background.jpg b/asset/img/background.jpg
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diff --git a/blockly.json b/blockly.json
new file mode 100644
index 0000000..412873b
--- /dev/null
+++ b/blockly.json
@@ -0,0 +1,34 @@
+{
+    "GAME_STATUS": [
+        ["GAME_ALIVE", "alive", "存活"],
+        ["GAME_PASS", "pass", "通關"],
+        ["GAME_OVER", "over", "失敗"]
+    ],
+    "SCENE_INFO": [
+        ["scene_info['frame']", "# frame", "# 幀數"],
+        ["scene_info['status']", "game status", "遊戲狀態"],
+        ["scene_info['ball_x']", "x coordinate of ball", "球的 x 座標"],
+        ["scene_info['ball_y']", "y coordinate of ball", "球的 y 座標"],
+        ["scene_info['score']", "x coordinate of platform", "平台的 x 座標"],
+        ["scene_info['foods']", "list of foods positions", "點點的位置清單"],
+        ["scene_info", "dictionary of all information", "包含所有資訊的字典"]
+    ],
+    "CONSTANT": [
+        [0, "left boundary", "左邊界"],
+        [800, "right boundary", "右邊界"],
+        [0, "top boundary", "上邊界"],
+        [600, "bottom boundary", "下邊界"],
+        [50, "ball width", "球身的寬度"],
+        [50, "ball height", "球身的高度"],
+        [8, "food width", "食物的寬度"],
+        [8, "food height", "食物的高度"]
+    ],
+    "ACTION": [
+        ["['UP']", "moving up", "向上移動"],
+        ["['DOWN']", "moving down", "向下移動"],
+        ["['LEFT']", "moving left", "向左移動"],
+        ["['RIGHT']", "moving right", "向右移動"],
+        ["['NONE']", "doing nothing", "不動作"]
+
+    ]
+}
\ No newline at end of file
diff --git a/config.py b/config.py
new file mode 100644
index 0000000..d9f3e6c
--- /dev/null
+++ b/config.py
@@ -0,0 +1,20 @@
+import sys
+from os import path
+sys.path.append(path.dirname(__file__))
+
+from mlgame.argument.tool import read_json_file, parse_config
+from src.game import EasyGame
+
+config_file = path.join(path.dirname(__file__), "game_config.json")
+
+
+config_data = read_json_file(config_file)
+GAME_VERSION = config_data["version"]
+GAME_PARAMS = parse_config(config_data)
+
+# will be equal to config. GAME_SETUP["ml_clients"][0]["name"]
+
+GAME_SETUP = {
+    "game": EasyGame,
+    # "dynamic_ml_clients":True
+}
diff --git a/game_config.json b/game_config.json
new file mode 100644
index 0000000..9b6b9b7
--- /dev/null
+++ b/game_config.json
@@ -0,0 +1,54 @@
+{
+  "game_name": "easy_game",
+  "version": "2.0.0",
+  "url": "None",
+  "game_params": [
+    {
+      "name": "time_to_play",
+      "verbose": "遊戲總幀數",
+      "type": "int",
+      "max": 2000,
+      "min": 600,
+      "default": 600,
+      "help": "set the limit of frame count , actually time will be revised according to your FPS ."
+    },
+    {
+      "name": "total_point_count",
+      "verbose": "總食物數量",
+      "type": "int",
+      "choices":[ 5 ,10 ,15,20,25,30,35,40,45,50],
+      "help": "set the total number of points",
+      "default": 10
+    },
+    {
+      "name": "score",
+      "verbose": "通關分數",
+      "type": "int",
+      "min": 1,
+      "max": 30,
+      "default": 10,
+      "help": "set the score to win this game "
+    },
+    {
+      "name": "color",
+      "verbose": "矩形顏色",
+      "type": "str",
+      "choices": [
+        {
+          "verbose": "CYAN",
+          "value": "00BCD4"
+        },
+        {
+          "verbose": "YELLOW",
+          "value": "FFEB3B"
+        },
+        {
+          "verbose": "ORANGE",
+          "value": "FF9800"
+        }
+      ],
+      "help": "set the color of rectangle",
+      "default": "00BCD4"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/game_development_tutorial.md b/game_development_tutorial.md
new file mode 100644
index 0000000..08d4848
--- /dev/null
+++ b/game_development_tutorial.md
@@ -0,0 +1,192 @@
+# Easy Game
+這是一個簡單的遊戲，主要用來示範如何在PAIA 上發布一個遊戲
+![](asset/easy_game.gif)
+## Game Config
+遊戲參數定義檔案需要使用json格式，且需要命名為`game_config.json`
+```json
+{
+  "game_name": "easy_game", // 遊戲的名稱
+  "version": "1.0.1", // 版本號
+  "url": "None", // github 專案連結
+  "game_params": [ // 遊戲參數陣列
+    {
+      "name": "time_to_play", // 遊戲參數的名字
+      "verbose": "遊戲總幀數", // 顯示文字
+      "type": "int", // 類型 分為 int str
+      "max": 2000, // int 可以設定 最大最小值
+      "min": 600,
+      "default": 600, // 遊戲參數的預設值
+//     參數的輔助說明
+      "help": "set the limit of frame count , actually time will be revised according to your FPS .",
+      
+    },
+    {
+      "name": "color",
+      "verbose": "矩形顏色",
+      "type": "str",
+      "choices": [
+//        字串的選項需要有顯示文字(verbose) 與 實際值(value)
+        {
+          "verbose": "CYAN",
+          "value": "00BCD4"
+        },
+        {
+          "verbose": "YELLOW",
+          "value": "FFEB3B"
+        },
+        {
+          "verbose": "ORANGE",
+          "value": "FF9800"
+        }
+      ],
+      "help": "set the color of rectangle",
+      "default": "FFEB3B"
+    }
+  ]
+}
+```
+## Game Blockly
+```json
+{
+    "GAME_STATUS": [
+//      遊戲狀態的參數
+//      ['python 變數名稱','display in English','中文的顯示文字']
+        ["GAME_ALIVE", "alive", "存活"],
+        ["GAME_PASS", "pass", "通關"],
+        ["GAME_OVER", "over", "失敗"]
+    ],
+    "SCENE_INFO": [
+//      傳給MLPlay的資料內容
+//      ["python code", "english", "chinese"],
+        ["scene_info['frame']", "# frame", "# 幀數"],
+        ["scene_info['status']", "game status", "遊戲狀態"],
+        ["scene_info['ball_x']", "x coordinate of ball", "球的 x 座標"],
+        ["scene_info['ball_y']", "y coordinate of ball", "球的 y 座標"],
+        ["scene_info['score']", "x coordinate of platform", "平台的 x 座標"],
+        ["scene_info['foods']", "list of foods positions", "點點的位置清單"],
+        ["scene_info", "dictionary of all information", "包含所有資訊的字典"]
+    ],
+    "CONSTANT": [
+//      提供給玩家的常數資訊
+//      ["value", "english", "chinese"],
+        [0, "left boundary", "左邊界"],
+        [800, "right boundary", "右邊界"],
+        [0, "top boundary", "上邊界"],
+        [600, "bottom boundary", "下邊界"],
+        [50, "ball width", "球身的寬度"],
+        [50, "ball height", "球身的高度"],
+        [8, "food width", "食物的寬度"],
+        [8, "food height", "食物的高度"]
+    ],
+    "ACTION": [
+//      讓玩家使用的遊戲指令
+//      ["python code", "english", "chinese"],
+        ["UP", "moving up", "向上移動"],
+        ["DOWN", "moving down", "向下移動"],
+        ["LEFT", "moving left", "向左移動"],
+        ["RIGHT", "moving right", "向右移動"],
+        ["NONE", "doing nothing", "不動作"]
+
+    ]
+}
+```
+## Game interface
+遊戲需要實作一個interface
+```python
+
+class PaiaGame(abc.ABC):
+
+    def __init__(self):
+        """
+        初始化資料
+        """
+        pass
+
+    @abc.abstractmethod
+    def update(self, commands):
+        self.frame_count += 1
+
+    @abc.abstractmethod
+    def game_to_player_data(self) -> dict:
+        """
+        send something to game AI
+        we could send different data to different ai
+        """
+        to_players_data = {}
+        
+        return to_players_data
+
+    @abc.abstractmethod
+    def reset(self):
+        pass
+
+    @abc.abstractmethod
+    def get_scene_init_data(self) -> dict:
+        """
+        Get the initial scene and object information for drawing on the web
+        """
+        # TODO add music or sound
+        scene_init_data = {"scene": self.scene.__dict__,
+                           "assets": [
+
+                           ],
+                           # "audios": {}
+                           }
+        return scene_init_data
+
+    @abc.abstractmethod
+    def get_scene_progress_data(self) -> dict:
+        """
+        Get the position of game objects for drawing on the web
+        """
+
+        scene_progress = {
+            # background view data will be draw first
+            "background": [],
+            # game object view data will be draw on screen by order , and it could be shifted by WASD
+            "object_list": [],
+            "toggle": [],
+            "foreground": [],
+            # other information to display on web
+            "user_info": [],
+            # other information to display on web
+            "game_sys_info": {}
+        }
+        return scene_progress
+
+    @abc.abstractmethod
+    def get_game_result(self) -> dict:
+        """
+        send game result
+        """
+        return {"frame_used": self.frame_count,
+                "result": {
+
+                },
+
+                }
+
+    @abc.abstractmethod
+    def get_keyboard_command(self) -> dict:
+        """
+        Define how your game will run by your keyboard
+        """
+        cmd_1p = []
+
+        ai_1p = self.ai_clients()[0]["name"]
+        return {ai_1p: cmd_1p}
+
+    @staticmethod
+    def ai_clients() -> list:
+        """
+        let MLGame know how to parse your ai,
+        you can also use this names to get different cmd and send different data to each ai client
+        """
+        return [
+            {"name": "1P"}
+        ]
+
+```
+
+## Flowchart
+
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..1aa72ef
--- /dev/null
+++ b/main.py
@@ -0,0 +1,25 @@
+import pygame
+import sys
+
+sys.path.append(r"../..")
+from mlgame.view.view import PygameView
+from mlgame.gamedev.generic import quit_or_esc
+from src.game import EasyGame
+
+FPS = 30
+if __name__ == '__main__':
+    pygame.init()
+    game = EasyGame(time_to_play=1000, total_point_count=10, score=5, color="FF9800")
+    scene_init_info_dict = game.get_scene_init_data()
+    game_view = PygameView(scene_init_info_dict)
+    frame_count = 0
+    while game.is_running and not quit_or_esc():
+        pygame.time.Clock().tick_busy_loop(FPS)
+        commands = game.get_keyboard_command()
+        game.update(commands)
+        game_progress_data = game.get_scene_progress_data()
+        game_view.draw(game_progress_data)
+        frame_count += 1
+        # print(frame_count)
+
+    pygame.quit()
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diff --git a/src/game.py b/src/game.py
new file mode 100644
index 0000000..02ab660
--- /dev/null
+++ b/src/game.py
@@ -0,0 +1,188 @@
+import time
+from os import path
+
+import pygame
+
+from mlgame.argument.model import AI_NAMES
+from mlgame.gamedev.paia_game import PaiaGame, GameResultState, GameStatus
+from mlgame.tests.test_decorator import check_game_progress, check_game_result
+from mlgame.view.view_model import create_text_view_data, create_asset_init_data, create_image_view_data, Scene, \
+    create_scene_progress_data
+from .game_object import Ball, Food
+
+ASSET_PATH = path.join(path.dirname(__file__), "../asset")
+
+
+class EasyGame(PaiaGame):
+    """
+    This is a Interface of a game
+    """
+
+    def __init__(self, time_to_play, total_point_count, score, color):
+        super().__init__()
+        self.game_result_state = GameResultState.FAIL
+        self.scene = Scene(width=800, height=600, color="#4FC3F7", bias_x=0, bias_y=0)
+        print(color)
+        self.ball = Ball("#" + color)
+        self.foods = pygame.sprite.Group()
+        self.score = 0
+        self.score_to_win = score
+        self._create_foods(total_point_count)
+        self._begin_time = time.time()
+        self._timer = 0
+        self.frame_count = 0
+        self.time_limit = time_to_play
+
+    def update(self, commands):
+        # handle command
+        ai_1p_cmd = commands[AI_NAMES[0]]
+        if ai_1p_cmd is not None:
+            action = ai_1p_cmd[0]
+        else:
+            action = "NONE"
+        # print(ai_1p_cmd)
+        self.ball.update(action)
+
+        # update sprite
+        self.foods.update()
+
+        # handle collision
+        hits = pygame.sprite.spritecollide(self.ball, self.foods, True, pygame.sprite.collide_rect_ratio(0.8))
+        if hits:
+            self.score += len(hits)
+            self._create_foods(len(hits))
+        self._timer = round(time.time() - self._begin_time, 3)
+
+        self.frame_count += 1
+        # self.draw()
+
+        if not self.is_running:
+            return "QUIT"
+
+    def game_to_player_data(self):
+        """
+        send something to game AI
+        we could send different data to different ai
+        """
+        to_players_data = {}
+        foods_data = []
+        for food in self.foods:
+            foods_data.append({"x": food.rect.x, "y": food.rect.y})
+        data_to_1p = {
+            "frame": self.frame_count,
+            "ball_x": self.ball.rect.centerx,
+            "ball_y": self.ball.rect.centery,
+            "foods": foods_data,
+            "score": self.score,
+            "status": self.get_game_status()
+        }
+
+        to_players_data[AI_NAMES[0]] = data_to_1p
+        # should be equal to config. GAME_SETUP["ml_clients"][0]["name"]
+
+        return to_players_data
+
+    def get_game_status(self):
+
+        if self.is_running:
+            status = GameStatus.GAME_ALIVE
+        elif self.score > self.score_to_win:
+            status = GameStatus.GAME_PASS
+        else:
+            status = GameStatus.GAME_OVER
+        return status
+
+    def reset(self):
+        pass
+
+    @property
+    def is_running(self):
+        return self.frame_count < self.time_limit
+
+    def get_scene_init_data(self):
+        """
+        Get the initial scene and object information for drawing on the web
+        """
+        # TODO add music or sound
+        bg_path = path.join(ASSET_PATH, "img/background.jpg")
+        background = create_asset_init_data("background", 800, 600, bg_path, "url")
+        scene_init_data = {"scene": self.scene.__dict__,
+                           "assets": [
+                               background
+                           ],
+                           # "audios": {}
+                           }
+        return scene_init_data
+
+    @check_game_progress
+    def get_scene_progress_data(self):
+        """
+        Get the position of game objects for drawing on the web
+        """
+        foods_data = []
+        for food in self.foods:
+            foods_data.append(food.game_object_data)
+        game_obj_list = [self.ball.game_object_data]
+        game_obj_list.extend(foods_data)
+        backgrounds = [create_image_view_data("background", 0, 0, 800, 600)]
+        foregrounds = [create_text_view_data(f"Score = {str(self.score)}", 650, 50, "#FF0000", "24px Arial BOLD")]
+        toggle_objs = [create_text_view_data(f"Timer = {str(self._timer)} s", 650, 100, "#FFAA00", "24px Arial")]
+        scene_progress = create_scene_progress_data(frame=self.frame_count, background=backgrounds,
+                                                    object_list=game_obj_list,
+                                                    foreground=foregrounds, toggle=toggle_objs)
+        return scene_progress
+
+    @check_game_result
+    def get_game_result(self):
+        """
+        send game result
+        """
+        if self.get_game_status() == GameStatus.GAME_PASS:
+            self.game_result_state = GameResultState.FINISH
+        return {"frame_used": self.frame_count,
+                "state": self.game_result_state,
+                "attachment": [
+                    {
+                        "player": AI_NAMES[0],
+                        "rank": 1,
+                        "score": self.score
+                    }
+                ]
+
+                }
+
+    def get_keyboard_command(self):
+        """
+        Define how your game will run by your keyboard
+        """
+        cmd_1p = []
+        key_pressed_list = pygame.key.get_pressed()
+        if key_pressed_list[pygame.K_UP]:
+            cmd_1p.append("UP")
+        elif key_pressed_list[pygame.K_DOWN]:
+            cmd_1p.append("DOWN")
+        elif key_pressed_list[pygame.K_LEFT]:
+            cmd_1p.append("LEFT")
+        elif key_pressed_list[pygame.K_RIGHT]:
+            cmd_1p.append("RIGHT")
+        else:
+            cmd_1p.append("NONE")
+        return {AI_NAMES[0]: cmd_1p}
+
+    def _create_foods(self, count: int = 5):
+        for i in range(count):
+            # add food to group
+            food = Food(self.foods)
+        pass
+
+    @staticmethod
+    def ai_clients():
+        """
+        let MLGame know how to parse your ai,
+        you can also use this names to get different cmd and send different data to each ai client
+        """
+        return [
+            {"name": "1P",
+
+             },
+        ]
diff --git a/src/game_object.py b/src/game_object.py
new file mode 100644
index 0000000..2d5c3c9
--- /dev/null
+++ b/src/game_object.py
@@ -0,0 +1,63 @@
+import random
+
+import pygame.sprite
+
+
+class Ball(pygame.sprite.Sprite):
+    def __init__(self, color="#FFEB3B"):
+        pygame.sprite.Sprite.__init__(self)
+        self.image = pygame.Surface([50, 50])
+        self.color = color
+        self.rect = self.image.get_rect()
+        self.rect.center = (400, 300)
+
+    def update(self, motion):
+        # for motion in motions:
+        if motion == "UP":
+            self.rect.centery -= 10.5
+        elif motion == "DOWN":
+            self.rect.centery += 10.5
+        elif motion == "LEFT":
+            self.rect.centerx -= 10.5
+        elif motion == "RIGHT":
+            self.rect.centerx += 10.5
+
+    @property
+    def game_object_data(self):
+        return {"type": "rect",
+                "name": "ball",
+                "x": self.rect.x,
+                "y": self.rect.y,
+                "angle": 0,
+                "width": self.rect.width,
+                "height": self.rect.height,
+                "color": self.color
+                }
+
+
+class Food(pygame.sprite.Sprite):
+    def __init__(self, group):
+        pygame.sprite.Sprite.__init__(self, group)
+        self.image = pygame.Surface([8, 8])
+        self.color = "#E91E63"
+        self.rect = self.image.get_rect()
+        self.rect.centerx = random.randint(0, 800)
+        self.rect.centery = random.randint(0, 600)
+        self.angle = 0
+
+    def update(self) -> None:
+        self.angle += 10
+        if self.angle > 360:
+            self.angle -= 360
+
+    @property
+    def game_object_data(self):
+        return {"type": "rect",
+                "name": "ball",
+                "x": self.rect.x,
+                "y": self.rect.y,
+                "angle": 0,
+                "width": self.rect.width,
+                "height": self.rect.height,
+                "color": self.color
+                }