diff --git a/alien_invasion.py b/alien_invasion.py
new file mode 100644
index 0000000..3da72f6
--- /dev/null
+++ b/alien_invasion.py
@@ -0,0 +1,52 @@
+import pygame
+import game_functions as gf
+from settings import Settings
+from ship import Ship
+from pygame.sprite import Group
+from game_stats import GameStats
+from button import Button
+from scoreboard import Scoreboard
+from playername_inputbox import PlayernameInputbox
+
+
+def run_game():
+    # 初始化游戏并创建一个屏幕对象
+    pygame.init()
+    ai_settings = Settings()
+    screen = pygame.display.set_mode((ai_settings.screen_width, ai_settings.screen_height))
+    pygame.display.set_caption("Alien Invasion")
+
+    # 创建一艘飞船, 一个子弹编组和一个外星人编组
+    ship = Ship(ai_settings, screen)
+    bullets = Group()
+    aliens = Group()
+    alien_bullets = Group()
+    super_bullets = Group()
+
+    # 创建外星人群
+    gf.create_fleet(ai_settings, screen, ship, aliens)
+
+    # 创建一个用于游戏统计信息的示例，并创建记分牌
+    stats = GameStats(ai_settings)
+    scoreboard = Scoreboard(ai_settings, screen, stats)
+
+    # 创建开始游戏按钮
+    play_button = Button(ai_settings, screen, "Play")
+
+    # 创建玩家名字文本输入框
+    playername_inputbox = PlayernameInputbox(screen)
+
+    # 开始游戏的主循环
+    while True:
+        gf.check_events(ai_settings, screen, ship, bullets, aliens, stats, play_button, scoreboard, alien_bullets, super_bullets, playername_inputbox)
+
+        if stats.game_active:
+            ship.update()
+            gf.update_bullets(ai_settings, screen, ship, bullets, aliens, stats, scoreboard, super_bullets)
+            gf.update_aliens(ai_settings, screen, ship, bullets, aliens, stats, scoreboard, alien_bullets, super_bullets)
+            gf.update_aliens_fire_bullet(ai_settings, screen, ship, bullets, aliens, stats, scoreboard, alien_bullets, super_bullets)
+
+        gf.update_screen(ai_settings, screen, ship, bullets, aliens, stats, play_button, scoreboard, alien_bullets, super_bullets, playername_inputbox)
+
+
+run_game()