diff --git a/alien_invasion.py b/alien_invasion.py
new file mode 100644
index 0000000..8ecb28b
--- /dev/null
+++ b/alien_invasion.py
@@ -0,0 +1,51 @@
+import pygame
+
+from settings import Settings
+from game_stats import GameStats
+from button import Button
+from ship import Ship
+from pygame.sprite import Group
+import game_functions as gf
+from scoreboard import Scoreboard
+
+
+def run_game():
+    pygame.init()  # 初始化背景设置
+    ai_settings = Settings()  # 全局设置
+
+    screen = pygame.display.set_mode(  # 创建screen显示窗口
+        (ai_settings.screen_width, ai_settings.screen_height)
+    )
+    pygame.display.set_caption('Alien Invasion')  # 标题
+    # 新建Play按钮
+    play_button = Button(ai_settings, screen, "Play")
+    # 创建一个用于存储游戏统计信息的实例,并创建记分牌
+    stats = GameStats(ai_settings)
+    sb = Scoreboard(ai_settings, screen, stats)
+    # 创建飞船
+    ship = Ship(ai_settings, screen)
+    # 创建子弹编组
+    bullets = Group()
+
+    # 创建一个外星人
+    aliens = Group()
+    # 创建外星人群
+    gf.create_fleet(ai_settings, screen, ship, aliens)
+
+    # 开始游戏主循环
+    while True:
+        # 监视键盘和鼠标事件
+        gf.check_events(ai_settings, screen, stats, sb, play_button, ship, aliens, bullets)
+
+        if stats.game_active:
+            # 移动飞船
+            gf.update_ship(ship)
+            # 更新子弹位置
+            gf.update_bullets(ai_settings, screen, stats, sb, ship, aliens, bullets)
+            # 更新外星人
+            gf.update_aliens(ai_settings, stats, screen, sb, ship, aliens, bullets)
+        # 更新屏幕
+        gf.update_screen(ai_settings, screen, stats, sb, ship, aliens, bullets, play_button)
+
+
+run_game()
\ No newline at end of file