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Half-Life 2: Episode Two

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Half-Life 2: Episode Two
Half-Life 2 Episode Two title.jpg
Cover art featuring (from left) Gordon Freeman, the Combine Hunters and Alyx Vance
Composer(s)Kelly Bailey
October 10, 2007
  • Microsoft Windows, Xbox 360
    • NA: October 10, 2007
    • EU: October 18, 2007
    • AU: October 25, 2007
  • PlayStation 3
    • AU: December 20, 2007
    • EU: December 14, 2007
    • NA: December 14, 2007
  • Mac OS X
    • WW: May 26, 2010
  • Linux
    • WW: May 10, 2013
Genre(s)First-person shooter

Half-Life 2: Episode Two is a 2007 first-person shooter game developed and published by Valve. Following Episode One (2006), it is the second of two shorter episodic games that continue the story of Half-Life 2 (2004). Players control Gordon Freeman, who travels through the mountains surrounding City 17 to a resistance base with his ally Alyx Vance. Like previous games in the series, Episode Two combines shooting, puzzle-solving and narrative elements, but adds expansive environments and less linear sequences.

Episode Two was released in 2007 for Windows on Valve's distribution service Steam, and as a part of The Orange Box, a compilation of Valve games for Xbox 360 and PlayStation 3. The PlayStation version was produced by Electronic Arts. Episode Two received positive reviews.

A third Half-Life 2 episode was announced for Christmas 2007, but was canceled as Valve abandoned episodic development. In 2020, after canceling several further Half-Life projects, Valve released Half-Life: Alyx.


As with previous Half-Life games, Episode Two is played in the first person as Gordon Freeman against transhuman troops, known as the Combine, and other hostile alien creatures. Levels are linear but add a more open environment, consisting of puzzles and first-person shooter game-play. Sequences involving vehicles are interspersed throughout the game, breaking up moments of combat.

One of the focal points of Episode Two was meant to be increased use of vehicles in open areas. However, the game retains its original linear style until the final battle.[1] Episode Two has more puzzles than Episode One, including the biggest physics puzzle yet in the series—a damaged bridge.[1] As in the previous two games, Episode Two features numerous "achievements" (similar to PlayStation 3's Trophies and Xbox Live's Achievements) for carrying out certain tasks. Some are essential to game progress, such as helping fight off an antlion invasion, or defeating the first Hunters. Others are optional tricks or feats the player can perform, such as killing a Combine soldier with their own grenade or running down a certain number of enemies with the car.[1]


Episode Two featured a new Hunter enemy, which had just been seen briefly in a recorded message in Episode One. The Hunter serves as one of the most dangerous enemies within the game and as means of emotional development for Alyx Vance. The Hunter is a powerful and resilient enemy which players must often run from while seeking a means to fight back; Episode Two's environments are designed with this in mind.[2]

An interview in the August 2006 issue of PC Gamer magazine revealed that the Hunter stands 8 feet (2.4 m) tall. Erik Johnson, the game's project lead, states that the Hunters are "big and impressive, but they can go anywhere the player can go", as the player can encounter them both indoors and outdoors.[3] Ted Backman, senior artist for Valve, talks about how the Hunter can express emotions, being a somewhat non-human character. "We want the Hunter to be able to express nervousness or aggression, [to show you] whether it's aggressive, hurt, or mad." Hunters are very aggressive and they tend to operate in packs, but can also be found supporting other Combine troops. Late in the game, they can be found escorting Striders, using their flechette guns to protect the Striders that the player is trying to attack.[3]

Hunters primarily attack the player by bracing themselves and firing bursts from their flechette cannon. Four flechettes can vaporize an ordinary human soldier. If they do not strike a living target, the flechettes charge up for several seconds and then explode, dealing minor damage to everything nearby. Hunters may also conduct a charging attack or strike with their legs if the player gets too close. Hunters are vulnerable to all weapons, but to compensate, are still quite resilient, making explosives and the pulse rifle's charged energy ball the most attractive options. Objects thrown with the gravity gun are also effective, especially if the player catches some of their flechettes with the object before hurling it. In outdoor environments, they can be run over with a vehicle.[4]


An in-game white-board depicting how the Magnusson Device functions

Episode Two features no additions to Gordon Freeman's weapons inventory. Instead, Valve chose to further explore uses for the gravity gun, with which the player can pick up and throw large objects. They introduced more varied Gravity Gun "ammunition", such as logs, flares, and half-height butane tanks, which are easier to aim than full-size fuel drums.[5]

Near the end of the game, the player uses "Magnusson Devices", which designer Dario Casali described as a "sticky bomb that you fire at a Strider's underbelly that will draw power from the Strider's internal power source". The player uses the gravity gun to attach the bombs to tripodal enemy Striders; the bombs detonate when fired upon with any other of the player's weapons, instantly destroying the target. The Hunter escorts prioritize them as targets, either destroying them in the player's grasp or shooting already-attached ones off.[5]


Large sections of the game feature a car which resembles a gutted-and-rebuilt 1969 Dodge Charger. It appears to have been tuned for performance. A radar system is installed later in the game, allowing the player to locate Rebel supply caches. In the final battle, a rear-mounted storage rack for Magnusson Devices is added and the radar is adjusted to track enemies and Magnusson Device dispensers. A homing unit is also installed so the player can quickly locate the car in the chaos of the final battle via a readout in the Hazardous Environment suit.[6]


The Combine, a multidimensional empire which has enslaved Earth, has used the destruction of their Citadel to open a massive portal. This will allow them to summon reinforcements and destroy the Resistance. In the mountains outside City 17, Resistance fighters Gordon Freeman and Alyx Vance escape the wreckage of the train they used to escape the city. At an old transmission station, they establish communication with resistance scientists Dr. Kleiner and Eli Vance at the White Forest base. They learn that the Resistance may be able to close the portal using a copy of a Combine transmission Alyx is carrying.

At an abandoned mine, Alyx is critically wounded by a Combine Hunter. A vortigaunt leads them to an underground Resistance shelter. Gordon recovers larval extract from a nearby antlion colony, necessary for the vortigaunts to heal Alyx.[7] While the vortigaunts are preoccupied healing her, the mysterious G-Man contacts Gordon and hints at Alyx's importance to his plans; he revealed that he saved her life at the Black Mesa Research Facility despite objections from an unspecified third party. He instructs the unconscious Alyx to tell her father to "prepare for unforeseen consequences".

After Alyx recovers, she and Gordon proceed in an old Resistance vehicle, battling Combine troops and surviving an encounter with a Combine Advisor, a high-ranking Combine alien with powerful psychic abilities. At White Forest, they are reunited with Dr. Kleiner, Eli, and Alyx's pet robot Dog. Gordon is introduced to the egotistical Dr. Arne Magnusson. The scientists are preparing a rocket which they plan to use with the Combine portal code and the satellite array launched by Gordon at Black Mesa to close the Combine portal.[7]

After Gordon fends off a Combine attack on the base, Alyx gives Dr. Kleiner the message from Judith Mossman recovered at the Citadel. It contains footage and the coordinates of the Borealis, an Aperture Science research vessel built within an icebreaker similar to the USCGC Healy, Kleiner explains, vanished along with part of the surrounding drydock. Kleiner insists that it should be used to aid the Resistance effort, while Eli counters that it is impossible to control and must be destroyed. They agree that Alyx and Gordon will travel to the Borealis and attempt to find Mossman.

Alyx unconsciously delivers the G-Man's message to her father, troubling him. Alone with Gordon, Eli reveals that it was the G-Man who provided the test sample that caused the Black Mesa incident, and that he whispered the same warning to him as Gordon entered the test chamber. He promises to explain more after the portal is closed.[7]

While the scientists prepare the rocket, White Forest comes under attack by the Combine. Gordon destroys the attacking Striders using experimental explosive charges created by Magnusson. The scientists launch the rocket and close the portal, trapping Combine forces on Earth. Alyx and Gordon prepare to leave for the Borealis and Eli warns Gordon about the ship's "cargo". The three head to a hangar, intending to board a helicopter, but two Advisors burst into the hangar and restrain them. As Eli tries to free them, he is killed by one of the Advisors. As the second one prepares to kill Alyx, Dog bursts in and chases the Advisors away. Alyx, sobbing, clutches her father's body.[7]


Episode Two was the second in a planned trilogy of shorter episodic games that would continue the story of Half-Life 2 (2004).[8] It was developed simultaneously with Episode One (2006) by a team led by David Speyrer. This schedule of simultaneous development aided them in streamlining the story between the two games to create an immersive story. The technology used was the same for both games, allowing the development teams to quickly fix any technical problems that might arise from either game; this happened often because of the multi-platform release.[9] The team originally planned the ending to feature a comical sequence with Lamarr, Kleiner's pet headcrab, floating in space outside the rocket Gordon launches into space; however, Valve president Gabe Newell requested killing off a major character to create a cliffhanger for Episode Three.[10]

An announcement was made on July 13, 2006, stating that Episode Two would be released on Xbox 360 and PlayStation 3 in addition to the PC, where previous iterations of the series separated.[11] Valve handled the development for the PC and Xbox 360, while Electronic Arts (EA) worked on the PlayStation 3 version.[12] It was announced on September 7, 2007, that the PlayStation 3 version of the game would be delayed because the EA studio behind the game was in the United Kingdom, away from Valve's development team, and therefore lagged behind in its schedule. According to Valve's marketing director, Doug Lombardi, the Xbox 360, PlayStation 3, and PC versions would be identical in functionality and performance.[13]

An audio commentary is also featured, as in Episode One and Lost Coast.[14] Actor Tony Todd replaced Louis Gossett Jr. as the voice of the Vortigaunts.[15][16]


Half-Life 2: Episode Two received an average score of 90.68% based on 22 reviews on the review aggregator GameRankings.[17] On Metacritic, it has an average score of 90 out of 100 based on 21 reviews, indicating "universal acclaim".[18]

Dan Adams of IGN rated the game 9.4 out of 10 and praised its improved visuals and expansive environments, but cited the short six-hour length as a drawback.[20] He said: "Any way you look at it, Episode Two stands out, even among the Half-Life series, as something special ... a burly experience packed into roughly six hours or so that offers up all the diversity, level design, and thoughtful gameplay we've known while making sure to propel the story forward and leave us wanting more."[20] awarded the game a 10 out of 10 score, citing approval of how the story turns and the introduction of side stories and new characters.[5] said it was "vivid, emotionally engaging, and virtually unsurpassed".[19] PC Gamer UK felt Episode Two was "the most sumptuous chapter of the Half-Life saga, and by a country mile".[21] The New York Times enjoyed the gameplay, saying that battles "often require as much ingenuity as they do fast reflexes".[24]

Computer and Video Games said that although the Source engine was dated, the "wonderful art design and the odd bit of technical spit-shine ensure that Episode Two [...] doesn't lose any of its wow factor". They also noticed that the game "goes about fixing a lot of the niggling complaints we had about Episode One," applauding the open forests and rocky hills.[23]

The New York Times wrote that "while it sows a few seeds for the final episode of the trilogy, the game lacks the driving force of the previous episode".[24] GameSpy felt it was less consistent than its predecessors, and that the opening segments were "arguably the weakest".[25]


Half-Life 2: Episode Three was scheduled for release by Christmas 2007,[26] but was cancelled as Valve abandoned episodic development and were developing a new game engine, Source 2.[27] After cancelling several further Half-Life games, Valve released Half-Life: Alyx in 2020.[28]


  1. ^ a b c "Half-Life 2: Episode One Interview 1". GameSpot. May 30, 2006. Archived from the original on September 29, 2007. Retrieved May 9, 2008.
  2. ^ Simmons, Alex (August 24, 2006). "GC 2006: New Half-Life 2 Trailer Dissected". IGN. Archived from the original on September 7, 2006. Retrieved May 9, 2008.
  3. ^ a b "Half-Life 2: Episode Two". PC Gamer. August 2006.
  4. ^ Goldstein, Hilary (October 9, 2007). "The Orange Box Review". IGN. Retrieved May 9, 2008.
  5. ^ a b c Martin, Joe (October 11, 2007). "Half-Life 2: Episode Two". Retrieved May 9, 2008.
  6. ^ "Steam Update". Steam. February 16, 2007. Retrieved May 9, 2008.
  7. ^ a b c d "Half-Life 2: Episode Two Guide". IGN. Retrieved May 9, 2008.
  8. ^ Dobson, Jason. "Half-Life 2: Episode One Dated, Trilogy Confirmed". Gamasutra. Retrieved November 27, 2019.
  9. ^ Bramwell, Tom (June 6, 2006). "Opening the Valve". Eurogamer. Retrieved May 9, 2008.
  10. ^ Keighley, Geoff (2020). The Final Hours of Half-Life Alyx. Steam.
  11. ^ Ocampo, Jason (July 13, 2006). "Half-Life 2: Episode Two - The Return of Team Fortress 2 and Other Surprises". GameSpot. Archived from the original on July 19, 2006. Retrieved March 31, 2016.
  12. ^ Remo, Chris (June 15, 2007). "Valve confirms Episode Two, Team Fortress 2 launch date". Shacknews. Retrieved June 15, 2007.
  13. ^ Bramwell, Tom (September 7, 2007). "Valve explains PS3 Orange Box delay". Eurogamer. Retrieved May 9, 2008.
  14. ^ Cashon, Jonathan (November 5, 2007). "'Half Life 2: Episode Two' entertains as strong sequel". University of South Alabama. Archived from the original on December 27, 2008. Retrieved May 9, 2008.
  15. ^ "Half-Life 2: Episode Two". GameFAQs. Retrieved May 9, 2008.
  16. ^ "Half-Life 2: The Orange Box". Yahoo! Games. Archived from the original on July 16, 2011. Retrieved May 9, 2008.
  17. ^ a b "Half-Life 2: Episode Two — PC". GameRankings. Retrieved April 14, 2012.
  18. ^ a b "Half-Life 2: Episode Two". Metacritic. Retrieved April 14, 2012.
  19. ^ a b Elliott, Shawn (October 10, 2007). "Half-Life 2: Episode 2 (PC)". Archived from the original on October 28, 2007. Retrieved August 3, 2008.
  20. ^ a b c Adams, Dan (October 9, 2007). "IGN: Half-Life 2: Episode Two Review". IGN. Archived from the original on October 12, 2007. Retrieved October 10, 2007.
  21. ^ a b "Half-Life 2: Episode Two". PC Gamer UK. October 10, 2007. Retrieved May 9, 2008.
  22. ^ Reed, Kristan (October 10, 2007). "Half-Life 2: Episode Two". Eurogamer. Retrieved May 9, 2008.
  23. ^ a b "Review: Half-Life 2: Episode Two". Computer and Video Games. October 10, 2007. Archived from the original on June 4, 2012. Retrieved May 9, 2008.
  24. ^ a b c Herold, Charles (October 25, 2007). "In 1 Box, 3 New Games Filled With Puzzles and Fights". The New York Times. Retrieved May 12, 2008.
  25. ^ a b Accardo, Sal (October 10, 2007). "Half-Life 2: Episode Two (PC)". GameSpy. Retrieved May 12, 2008.
  26. ^ Dobson, Jason (May 25, 2006). "Half-Life 2: Episode One Dated, Trilogy Confirmed". Game Developer. Retrieved March 4, 2022.{{cite web}}: CS1 maint: url-status (link)
  27. ^ Marks, Tom (March 23, 2020). "Valve Explains Why Half-Life 2: Episode 3 Was Never Made". IGN. Retrieved March 23, 2020.
  28. ^ McWhertor, Michael (November 21, 2019). "Half-Life: Alyx is Valve's VR-exclusive, full-length prequel to Half-Life 2". Polygon. Retrieved November 21, 2019.

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