另外 Valve 也展示了一張預計《戰慄時空 2（Half-Life 2, HL2）》遊戲資料片《戰慄時空 2：劫後餘生（Half-Life 2 Aftermath）》之遊戲畫面，並提到這款延續 Gordon Freeman 冒險的遊戲續作將在今年夏季末推出。
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