本片源自著名游戏《光晕》（《光环》）。《光环战争》是由Ensemble Studios公司以经典FPS游戏《光环》为背景制作的一款即时战略游戏。该作的剧情时间设定在《光环》之前，讲述了人类与Covenant首次相遇时的事情。
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">
">