《質量效應 2》是一款於 2010 年發行的科幻角色扮演射擊冒險遊戲,玩家將扮演指揮官薛帕德,為對抗來自星系邊緣的神秘威脅,必須與爭議組織「Cerberus」合作,招募銀河系菁英組成隊伍。核心玩法結合了第三人稱掩體射擊戰鬥與深度的隊員管理,遊戲強調玩家的抉擇將決定盟友的生死與任務的成敗。此版本擁有改良的戰鬥系統與裝備管理,並有九個可下載內容包擴充劇情,且已推出過一次重製版。
","tokens":{"input":2653,"output":149,"total":2802}}遊戲的循環圍繞著高風險的任務規劃、隊伍管理和戰術戰鬥展開。玩家將在廣闊的銀河系中穿梭,做出影響人際關係和任務結果的關鍵決策。戰鬥採用了基於掩護的第三人稱射擊系統,在此版本中,武器操作和健康值自動恢復系統都得到了改進,使玩家能夠更長時間地投入到戰鬥中。
\n\n一個關鍵的特色在於對多元化隊員的管理與招募。玩家必須謹慎選擇加入自己陣營的成員,因為這些隊員不僅是敘事的核心,也決定了最終對抗的成敗。遊戲極度強調玩家的選擇權,引入了新的提示式行動(prompt-based actions),允許玩家在對話中即時打斷,這可能直接改變盟友乃至整個銀河系的命運。
\n\n裝備系統也進行了革新,玩家可以透過新的物品欄系統幾乎即時地更換強大武器,以應對不同的戰鬥場景。此外,遊戲也涉及了星際外交的議題,要求玩家處理複雜的跨物種關係。
\n\n主要目標是集結銀河系中最頂尖的戰鬥精英。這涉及到廣泛的探索和對話來招募具有專業技能的人才。成功的關鍵不僅在於戰鬥能力,更在於對所集結隊伍的戰略部署。
\n\n本作的獨特性源於其對「後果」的堅持。每一次結成的聯盟、每一次招募的決定,以及每一次對話的選擇,都具有實質的影響力,並直接關係到最終任務的成敗。將深度的角色發展與忠誠度任務,與緊張的戰術戰鬥相結合,創造了一種以敘事為主導的射擊體驗,其中準備工作和人際關係的重要性與火力輸出同樣關鍵。
\n\n作為一款經典作品,此主線遊戲在發行後推出了多達九個獨立的可下載內容(DLC)包,這些內容提供了擴展的任務、裝備和敘事線索,豐富了遊戲體驗。值得注意的是,此遊戲自最初發行以來,已經推出過一次高清重製版本,確保了其在現代平台上的可玩性。
\n\n社群普遍認可本作在角色塑造和敘事深度上的成就,特別是圍繞隊員忠誠度任務的設計,被視為該系列中處理角色關係的標竿。
","tokens":{"input":2845,"output":843,"total":3688}}Strong violence

A remaster of the original Mass Effect 2 included in the Mass Effect: Legendary Edition bundle.

A deep cover agent is missing in Batarian space, after reporting evidence of an imminent Reaper invasion. Shepard must travel to the edge of the galaxy, rescue the agent, and discover the truth behind the Arrival. Uncover new research and 3 new achievements in this spectacular new adventure for Mass Effect 2.

Mass Effect: Genesis is a downloadable "interactive backstory comic". Genesis fills the role of Mass Effect for new players by introducing them to the story of the original game and allowing them to make six of the major plot decisions that players could make. If downloaded, the comic appears between the opening level and character customization. There are two versions of the comic, one each for a male and female Commander Shepard.

Liara T'Soni is tracking down the mysterious Shadow Broker, and no one is safe. She'll do anything to recover the man the Broker kidnapped... and the Shadow Broker's agents will do anything to stop her. Team up with Liara and chase clues from the luxurious heights of Illium to the Shadow Broker's own secret lair. This DLC adds the Shadow Broker intel center, new research, and five new achievements – and the chance to continue a relationship with Liara.

Overlord is a DLC pack for Mass Effect 2. The pack includes four new missions that take place on the planet Aite where an experimental Virtual Intelligence hybrid has gone rogue.

"Stolen Memory" introduces two new missions where the player assumes the role of Commander Shepard, an elite human soldier who must recruit a new squad member named Kasumi Goto and help her steal a graybox that contains important information and memories of her partner.

Firewalker Pack is a DLC pack for Mass Effect 2.

Zaeed - The Price of Revenge is a DLC pack for Mass Effect 2.

An online downloadable content and news service that enables free bonus content for the game. New purchases of Mass Effect 2 are provided with a one-time use access code that unlocks the game's Cerberus Network. However, users who buy the game used have to pay for the Cerberus Network separately if they want access to the bonus content.

Normandy Crash Site is a DLC pack for Mass Effect 2 that was released with the game's launch. Explore the crash site of the SSV Normandy as Commander Shepard is asked by Alliance Command to explore the site and recover the remains of missing crew members and place a monument on the site. Alliance Command wants Shepard to be the first to walk on the site as Shepard was the vessel's last commanding officer.