戰慄時空：正面交鋒
戰慄時空：正面交鋒（Half-Life: Opposing Force）是戰慄時空（雖然這個故事沒有被視為經典）的第一個官方正式擴展包。本作將玩家扮演一位危險環境戰鬥部隊（Hazardous Environment Combat Unit）的軍事專家Cpl. Adrian Shephard，由政府指派去黑色高地研究設施執行封口行動。Shephard穿越黑色高地設施既新鮮又熟悉的區域，並使用全新的武器，同時也會遇上新的NPC們。
就像戰慄時空一樣，正面交鋒也有著一個科學名稱。儘管字面的意思是弗里曼與Xen兩者的“針鋒相對”，但這名稱同時也是指牛頓的第三運動定律。遊戲通常被縮寫為“OpFor”和“Op4”。
歷史
正面交鋒是由著名的外包廠商Gearbox Software所開發。Gearbox目的在於進一步的說明黑色高地事件最後到底是如何結束。正面交鋒最初發表於1999年，並被互動藝術與科學學會（Academy of Interactive Arts & Sciences）評為'年度最佳遊戲'。
內容
正面交鋒帶領玩家重回黑色高地的一位軍人，內容並不同於當初戰慄時空強大的HECU，使得玩家在參與其中的過程可以有更真實的感受。因此正面交鋒介紹了不同類型的士兵：除了遊戲原有的散彈槍和機槍部隊，正面交鋒還包含了手持輕機搶以及能夠通過封閉門的切割工程師，還有能夠治療玩家以及友軍的NPC。
Gearbox同時也擴大了這個事件的參與人數。之中包含了黑色高地人員、HECU部隊和入侵者Xen以及兩組新勢力。其中之一是由速度敏捷都遠超於HECU部隊的專業人員所組的黑色行動部隊（Black Operations）。在戰慄時空有遭遇兩次 - 女刺客試圖殺害高登·弗里曼（Gordon Freeman） - 以及現在在設施中試圖殺害包含玩家以及HECU成員在內任何存活者的黑色行動部隊。The female assassins from the original game return, working in conjunction with new male soldiers and snipers.
The other one of these groups is a completely new hostile force known as Race-X. These creatures are not part of the Xen forces, and will in fact attack Vortigaunt troops as well as human ones. It has been speculated that Race-X is actually a first strike recon force of the Combine. This theory was fueled primarily by similar texturing between the Race-X Shock Trooper and the Combine Advisor in Half-Life 2.
A number of new weapons and models have been introduced to further better the game. These include the M-249 SAW light machine gun and M-40A1 sniper rifle referred to above, as well as a Desert Eagle (which is used in place of the .357 Magnum in single player, but the two separate weapons are available in multiplayer) and a host of alien and experimental Black Mesa weapons. New NPC models include redesigned HECU soldiers to accommodate the new features, Black Operations soldiers, the new Race-X species and a number of new NPC's made specially for the Boot Camp, Opposing Force's version of Half-Life's Hazard Course.
Gearbox composed their own soundtrack for Opposing Force, which was later used again in Blue Shift. Yet for unknown reasons, this soundtrack did not migrate with the rest of the game to Steam.
章節
- Incoming
- Welcome To Black Mesa
- "We Are Pulling Out"
- Missing In Action
- Friendly Fire
- We Are Not Alone
- Crush Depth
- Vicarious Reality
- Pit Worm's Nest
- Foxtrot Uniform
- "The Package"
- Worlds Collide
- Conclusion
相關模式
參見
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| 2001 | 關鍵時刻 (HL1) • 戰慄時空（PS2） | ||
| 1999 | 正面交鋒（HL1） | ||