
戰慄時空:關鍵時刻 CD版
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戰慄時空:關鍵時刻 CD版 (2001)
Half-Life: Blue Shift
Gearbox Software
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《戰慄時空:關鍵時刻》是Gearbox Software公司開發的關於第一人稱射擊遊戲《戰慄時空》的擴展包,於2001年6月12日發佈。和其他的擴展模式比如《戰慄時空:正面交鋒》一樣,藍色偏移是從故事的最開頭進行的,但是使用了不一樣的遊戲人物。遊戲的地點還是在黑色高地實驗室。主角想要逃脫外星人的控制,拯救即將失落的地區。
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