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Half-Life 2: Episode One
Half-Life 2: Episode One is a 2006 first-person shooter game developed and published by Valve for Windows. It continues the story of Half-Life 2 (2004). As the scientist Gordon Freeman, players must escape City 17 with Gordon's companion Alyx Vance. Like previous Half-Life games, Episode One combines shooting, puzzles and storytelling.
After the six-year development of Half-Life 2, Valve switched to episodic development, planning to release games more frequently. They focused on developing the character of Alyx and expanded her artificial intelligence. Episode One uses an updated version of Valve's Source engine, with new lighting and animation technology.
Episode One received mostly positive reviews; the co-operative gameplay with Alyx received particular praise, although the short length was criticized. It was ported to Xbox 360 and PlayStation 3 as part of the 2007 compilation The Orange Box. Episode Two followed in 2007.
Players make their way through a linear series of levels and encounter various enemies and allies. The gameplay is broken up between combat-oriented challenges and physics-based puzzles. Episode One integrates tutorial-like tasks into the story to familiarize the player with new gameplay mechanics without breaking immersion. A head-up display appears on the screen to display the player's health, energy, and ammunition. The player accesses new weapons and ammunition that are used to defend against enemy forces. Unlike in Half-Life 2, where Gordon's first weapon is the crowbar, Gordon first acquires the Gravity Gun, which allows the player to manipulate objects at a distance in both combat and puzzle-solving scenarios.
The artificial intelligence (AI) for Alyx Vance, Gordon's companion, was designed for co-operative play to complement the player's abilities. The developers described Alyx's programming as a "personality code" as opposed to an "AI code", emphasizing the attention they gave to make Alyx a unique and believable companion. For part of the code, she was explicitly programmed to avoid performing too many mechanical or repetitive actions, such as repeating lines of dialogue or performing certain routines in combat situations. Examples of this co-operative gameplay include combat in underground levels. In this scenario, the player can conserve their ammunition by using a flashlight to help Alyx spot and kill oncoming enemies. Similarly, Alyx will often take up strategic positions and provide covering fire to keep the player safe while they travel to a certain area or perform certain actions.
In City 17, Gordon Freeman and Alyx Vance (Merle Dandridge) have destroyed the Citadel's reactor. As it explodes, several vortigaunts (Louis Gossett Jr.) appear and extract Alyx. The G-Man (Michael Shapiro), who extracted Gordon from the explosion, is confronted by the vortigaunts and his psychic connection to Gordon is severed.
Gordon awakens in the ruins of City 17, where he is rescued from a pile of rubble by Dog and reunited with Alyx. Alyx makes contact with Dr. Eli Vance (Robert Guillaume) and Dr. Isaac Kleiner (Harry S. Robins), who have escaped the city. Kleiner informs them that the Citadel's core will soon collapse and destroy the city.
Gordon and Alyx proceed into the core to temporarily stabilize it. Alyx discovers that the Combine is attempting to accelerate its destruction to send a transmission back to their homeworld. She downloads a copy of the transmission and a video recorded by Judith Mossman (Michelle Forbes), in which she discusses the location of an unknown project before being subdued by a Combine attack.
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Half-Life 2: Episode One AI simulator
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Half-Life 2: Episode One
Half-Life 2: Episode One is a 2006 first-person shooter game developed and published by Valve for Windows. It continues the story of Half-Life 2 (2004). As the scientist Gordon Freeman, players must escape City 17 with Gordon's companion Alyx Vance. Like previous Half-Life games, Episode One combines shooting, puzzles and storytelling.
After the six-year development of Half-Life 2, Valve switched to episodic development, planning to release games more frequently. They focused on developing the character of Alyx and expanded her artificial intelligence. Episode One uses an updated version of Valve's Source engine, with new lighting and animation technology.
Episode One received mostly positive reviews; the co-operative gameplay with Alyx received particular praise, although the short length was criticized. It was ported to Xbox 360 and PlayStation 3 as part of the 2007 compilation The Orange Box. Episode Two followed in 2007.
Players make their way through a linear series of levels and encounter various enemies and allies. The gameplay is broken up between combat-oriented challenges and physics-based puzzles. Episode One integrates tutorial-like tasks into the story to familiarize the player with new gameplay mechanics without breaking immersion. A head-up display appears on the screen to display the player's health, energy, and ammunition. The player accesses new weapons and ammunition that are used to defend against enemy forces. Unlike in Half-Life 2, where Gordon's first weapon is the crowbar, Gordon first acquires the Gravity Gun, which allows the player to manipulate objects at a distance in both combat and puzzle-solving scenarios.
The artificial intelligence (AI) for Alyx Vance, Gordon's companion, was designed for co-operative play to complement the player's abilities. The developers described Alyx's programming as a "personality code" as opposed to an "AI code", emphasizing the attention they gave to make Alyx a unique and believable companion. For part of the code, she was explicitly programmed to avoid performing too many mechanical or repetitive actions, such as repeating lines of dialogue or performing certain routines in combat situations. Examples of this co-operative gameplay include combat in underground levels. In this scenario, the player can conserve their ammunition by using a flashlight to help Alyx spot and kill oncoming enemies. Similarly, Alyx will often take up strategic positions and provide covering fire to keep the player safe while they travel to a certain area or perform certain actions.
In City 17, Gordon Freeman and Alyx Vance (Merle Dandridge) have destroyed the Citadel's reactor. As it explodes, several vortigaunts (Louis Gossett Jr.) appear and extract Alyx. The G-Man (Michael Shapiro), who extracted Gordon from the explosion, is confronted by the vortigaunts and his psychic connection to Gordon is severed.
Gordon awakens in the ruins of City 17, where he is rescued from a pile of rubble by Dog and reunited with Alyx. Alyx makes contact with Dr. Eli Vance (Robert Guillaume) and Dr. Isaac Kleiner (Harry S. Robins), who have escaped the city. Kleiner informs them that the Citadel's core will soon collapse and destroy the city.
Gordon and Alyx proceed into the core to temporarily stabilize it. Alyx discovers that the Combine is attempting to accelerate its destruction to send a transmission back to their homeworld. She downloads a copy of the transmission and a video recorded by Judith Mossman (Michelle Forbes), in which she discusses the location of an unknown project before being subdued by a Combine attack.