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功能
描述
A surprise attack from evil alien Invaders has decimated your home world. You are the last line of defense for your civilization. Defeat as many waves of Enemies as you can to give your people as much time as possible to escape. You are this Planet’s Only Hope!
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创建者收藏
在“创建者收藏”背后是成千上万个游戏开发者，它能带给您各种令人激动而且非常好玩的游戏。Xbox Live 的功能因游戏而异；详情请参见“功能”。