Half-Life: Decay

Half-Life: Decay
Developer(s) Gearbox Software
Valve Corporation
Publisher(s) Sierra Entertainment
Designer(s) Randy Pitchford[1]
Writer(s) Matthew Armstrong
Brian Hess
Randy Pitchford
Series Half-Life
Engine GoldSrc
Platform(s) PlayStation 2
Release date(s) November 14, 2001[2]
Genre(s) First-person shooter
Mode(s) Multiplayer

Half-Life: Decay is a multiplayer-only expansion pack for Valve Software's first-person shooter Half-Life. Developed by Gearbox Software and published by Sierra Entertainment, Decay was released as part of the PlayStation 2 version of Half-Life in 2001. It is the third expansion pack for Half-Life, and like its predecessors, Decay returns to the setting and timeline of the original story, albeit portraying the story from the viewpoint of a different set of protagonists: two women scientists working in the Black Mesa Research Facility. Decay is a cooperative multiplayer game, designed to be played by two people working together to pass through the game's levels.

Decay was not a critical success, but was received with some positivity by video game journalists. Many reviewers felt the game was fun to play through with a friend, but that its more puzzle-oriented gameplay somewhat detracted from the overall experience. A number of reviews stated that the game simply felt little more than an extra add-on for the PlayStation 2 version of Half-Life. A group of Ukrainian developers unofficially ported the game to Windows as a modification of the PC version of Half-Life in 2008.

Gameplay

Decay is played in a split screen mode

As is the case with the other games in the Half-Life series, Decay is a first-person shooter. Like the original title it is based on, Decay requires players to engage in combat with hostile non-player characters and complete various puzzle solving tasks to advance through the game. However, Decay differs from Half-Life and its first two expansion packs, Opposing Force and Blue Shift, in that it is designed for cooperative multiplayer gameplay. This requires players to work together to progress through the game's levels and complete puzzles as they arise in-game. Although intended to be played by two people in split screen mode, Decay can still be played by a single player.[3] In this case, the player can only control one character at a time, and can switch between the two characters quickly. When not in use, a character has sufficient artificial intelligence to defend themselves, but otherwise does not move from where they have been left by the player.[4]

In Half-Life, players usually fight alone and only occasionally encounter friendly non-player characters who assist them, such as security guards and scientists. While Decay still features levels where this is the case, significant sections in Decay are dedicated to working with friendly non-player characters, usually escorting them to various objectives and protecting them in firefights.[3] An array of enemy characters from Half-Life populate the game, including alien lifeforms such as headcrabs and Vortigaunts, as well as human soldiers sent in to contain the alien threat. The players have access to a limited selection of Half-Life's weaponry to assist them in the game.[3] Although developed after Opposing Force, no non-player characters or weapons from the earlier expansion appear in Decay.

The game is unique in the context of the Half-Life series in that it is the only game divided into separate missions, each with a specific objective to pursue, instead of consisting of a single unbroken narrative. How players perform in each mission is ranked at the conclusion of the level as a grade from "A" to "F". This score is based on each player's accuracy with weapons, the number of kills they acquired and the amount damage they sustained during the course of the mission. Should players successfully complete the game's nine missions with "A" grades on every level, they are given access to a bonus cooperative mission, in which they can play as a pair of Vortigaunts, as well as the ability to play through the PlayStation 2 version of the original Half-Life as a Vortigaunt.[5]

Plot

Colette Green and Gina Cross in Decay; the models used in the game were of a significantly higher quality than in previous Half-Life titles

Decay is set in the same location and timeframe as Half-Life. Half-Life takes place at a laboratory called the Black Mesa Research Facility, situated in a remote desert in New Mexico. In Half-Life, the player takes on the role of Gordon Freeman, a scientist involved in an accident that opens an inter-dimensional portal to the borderworld of Xen, allowing the alien creatures of Xen to attack the facility. The player guides Freeman in an attempt to escape the facility and close the portal, ultimately traveling to Xen to do so.[6] Like the previous expansions, Decay shows the story of Half-Life from the perspective of a different set of protagonists. In Decay, players assume the roles of Colette Green and Gina Cross, two doctors who work in the same labs as Freeman, analyzing anomalous materials and specimens retrieved from Xen in prior teleportation experiments. After the experiment that causes the alien invasion takes place, Green and Cross must work with two ranking members of the science team, Dr. Richard Keller and Dr. Rosenberg, to contain and stabilize the deteriorating situation in Black Mesa.[7]

Decay begins with Gina Cross and Colette Green arriving at the Anomalous Materials Labs at Black Mesa and reporting to Dr. Keller, who is readying the day's analysis of an unknown specimen. Despite the objections of Dr. Rosenberg to pushing the analysis equipment beyond its design capacities, Cross and Green are assigned to assist setting up the experiment for Gordon Freeman.[8] When Freeman inserts the specimen into the scanning beam, however, it triggers a "resonance cascade", causing massive damage to the facility and teleporting alien creatures into the base. Keller and Rosenberg agree that Black Mesa cannot deal with the situation on its own, and so decide to call for military assistance.[9] Cross and Green escort Rosenberg to the surface, where he sends a distress signal to the military. However, the military are ordered not only to contain the situation, but to silence the base by killing its employees. Rosenberg elects to stay behind to meet with the military on arrival and Cross and Green return to Keller.

Once reunited with Keller, Cross and Green work to seal the dimensional tear to stop the invasion. The military arrive and try to remove all personnel as well as the alien force. After resetting key equipment to prevent a second dimensional rift, the two are tasked with preparing a satellite for launch. The satellite, which is launched by Freeman in Half-Life, is used in tandem with ground-based equipment to significantly weaken the effects of the resonance cascade.[10] Keller tasks Cross and Green with activating this set of prototype equipment, a displacement beacon, which through the satellite may be able to seal the dimensional rift. However, after activating the beacon, both characters are caught up in a "harmonic reflux", a distortion caused by the rift. Despite this, Cross and Green are able to return safely and Keller congratulates them on their success.[11]

The unlockable vortigaunt mission provides background information explaining how the orange crystals used by the rift-sealing machine in Half Life: Decay are acquired and used by the Nihilanth during the final boss battle in Half Life. The two player-controlled vortigaunts battle through Marines and Black Ops in the underground Black Mesa complex to find the orange crystals in the back of a military van. At this point the screen fades and the mission is declared a success; it is presumed that the Nihilanth warps them back to Xen and installs the crystals in his cave.

Development

A cooperative Half-Life game was first alluded to by publisher Sierra Entertainment in November 2000 with the announcement of a PlayStation 2 version of Half-Life. At the time, however, it was unclear how a cooperative version of Half-Life would be implemented; the developers, Gearbox Software, were still experimenting with finding the most balanced amount of players to build a cooperative game around.[12] By E3 2001, the game had acquired the title Decay, named after the scientific concept of exponential decay for consistency with the scientific names used by previous Half-Life titles. While the E3 convention only provided a demonstration of the main Half-Life PlayStation 2 game, further details were released relating to Decay's premise and story, as well as confirming that the cooperative mode was to be designed for two players.[13] The game's use of new model sets were also showcased. These new models were updated versions of Gearbox's High Definition pack for Blue Shift, featuring higher numbers of polygons and animation features such as facial expressions.[14] The enhanced models were around twice as detailed as those in the High Definition pack, which itself was of a much higher quality than the original models in Half-Life.[15] Media updates through the months following E3 showed various screenshots and the trailer to the game.[14][16] On August 18, 2001, Sierra announced that Decay was nearly complete, and would be submitted to PlayStation 2 manufacturer Sony for verification within days.[17] The entire Half-Life for PlayStation 2 package achieved gold status on October 30, 2001,[18] and the game was released on November 14, 2001.[19]

In October 2005, work was begun by a group of Ukrainian developers to port Decay over to Windows, as a modification for both the old World Opponent Network and current Steam versions of Half-Life. The port relied on the discovery of a method that allowed Decay's PS2 game files to be deciphered, thereby allowing the files to be ported to Windows.[7] The port went into the beta development stage in December 2007 and was released publicly on September 23, 2008.[20] The port was received well by the journalists in the industry; GameSpy site Planet Half-Life noted that it was a shame that an official PC version of Decay never emerged,[21] while British journalist Alec Meer stated that it was "fantastic to have this short but sweet lost Half-Life episode on PC at last, and it even has something the PS2 version didn't—online play".[22]

Reception

Decay received a weak but overall positive reception from the video games industry's critics. Writing for GameSpot, Doug Radcliffe argued that Decay was "impressive", praising the design of puzzles required players to work together, as well as the way in which the ranking system discouraged players from competing against each other.[3] GameSpy's David Hodgson was more reserved in his views of the game; although describing it as "great fun", he noted that it could become "tedious, with one member waiting for minutes at a time, while the other scratches their head, then completes an objective". In addition, Hodgson felt that the more puzzle-orientated nature of Decay left the action elements "a little muted compared to Gordon's single player quest".[4] Allgame described Decay as an "added bonus" for the PlayStation 2 version of Half-Life, but noted that as the game was designed for two players, it significantly suffered when a single player attempts to play it by switching between two characters,[23] a point that both GameSpy and GameSpot agreed on.[3][4] In his review for IGN, citic Doug Perry felt that Decay was "neat in its own limited way", but that it was more of a distraction from the main game, "a complementary cup of vegetable soup than a piping hot main dish of New York steak".[24] While The Electric Playground reviewer Steve Smith stated that the control scheme for the PlayStation 2 version of Half-Life "is about the best we have seen on the PS2 or any console", he concluded that although Decay was a "nice add-on", it was "no reason to buy this port".[25]

References

  1. ↑ "Half-Life Credits". Allgame. Retrieved October 23, 2008.
  2. ↑ "Half-Life". IGN. Retrieved October 23, 2008.
  3. 1 2 3 4 5 Radcliffe, Doug (October 15, 2001). "Half-Life for PlayStation 2 Review". GameSpot. Retrieved October 23, 2008.
  4. 1 2 3 Hodgson, David. "Reviews: Half-Life (PS2)". GameSpy. Retrieved October 23, 2008.
  5. ↑ "Half-Life Q&A". GameSpot. September 13, 2001. Retrieved October 23, 2008.
  6. ↑ "Half-Life: The Story so Far". Valve Corporation. Retrieved March 24, 2008.
  7. 1 2 "About Decay". Half-Life: Decay PC Port. Half-Life Creations. Retrieved September 26, 2008.
  8. ↑ Gearbox Software (2001). Half-Life: Decay. PlayStation 2. Level/area: Dual Access. Rosenberg: I've been talking with Harold, he seems to be under the impression you're planning on running the anti-mass spectrometer at greater than 90 percent. You realise there is a reason for the safety buffer. / Richard Keller: I understand your concern doctor, but the administrator was quite clear. / Rosenberg: The administrator is a bureaucrat, not a scientist! I did not design this equipment to be run at such high intensity! / Richard Keller: This is not your decision! Now if you want to stay and monitor the experiment, so be it, otherwise you can go back to your little labs by the trainyard.
  9. ↑ Gearbox Software (2001). Half-Life: Decay. PlayStation 2. Level/area: Dual Access. Rosenberg: Well, we've got to get everyone out of here! Reach the surface, call for help, something! / Richard Keller: No! We've got the deal with the problem! We can't expect anyone else to understand the importance of resetting those dampening fields. Without those in place the dimensional gash could tear so wide it may never be repaired. / Rosenberg: Its too dangerous! If we fail, who will warn everyone else? We can have soldiers here in two hours to secure the facility and bring everyone to safety. Our concern must be for the people of Black Mesa. / Richard Keller: Perhaps you're right. Dr. Cross and Dr. Green may have survived, if so they can help us.
  10. ↑ Gearbox Software (2001). Half-Life: Decay. PlayStation 2. Level/area: Domestic Violence. Richard Keller: The dimensional rift between here and the alien world must be sealed! We'll need to have a satellite in orbit in order to orchestrate a resonance reversal. The signal room for the satellite is nearby. Unfortunately the delivery rocket cannot launch without the all-clear codes. Now, any security guard in this dorm complex should have the codes we need. Go through the dorms and find a security guard, I'll take the tram around to the north side where we can pick you up.
  11. ↑ Gearbox Software (2001). Half-Life: Decay. PlayStation 2. Level/area: Rift. Richard Keller: Gina? Colette? You'll be alright. You were caught for a moment in a harmonic reflux. Its one the swirling eddies in the space between two displacement event currents, although I can't imagine who was creating the other current. But it doesn't matter now! Rest my friends, we did it!
  12. ↑ "Sierra Delivers Half-Life to PlayStation 2". IGN. November 17, 2000.
  13. ↑ Fielder, Joe (May 18, 2001). "E3 2001 Hands-on Half-Life". GameSpot. Retrieved October 23, 2008.
  14. 1 2 "Half-Life Preview". IGN. September 19, 2001. Retrieved October 23, 2008.
  15. ↑ Ajami, Amer (September 11, 2001). "Half-Life Updated preview". GameSpot. Retrieved October 23, 2008.
  16. ↑ "Half-Life Hi-Res Trailer (PS2)". Insider. IGN. August 11, 2001. Retrieved October 23, 2008.
  17. ↑ Ahmed, Shahed (August 18, 2001). "Half-Life: Decay nears completion". GameSpot. Retrieved October 23, 2008.
  18. ↑ Ahmed, Shahed (October 30, 2001). "Half-Life PS2 goes gold". GameSpot. Retrieved October 23, 2008.
  19. ↑ Ahmed, Shahed (November 7, 2001). "Half-Life PS2 ships next week". GameSpot. Retrieved October 23, 2008.
  20. ↑ "Half-Life: Decay - It's released!". Half-Life Creations. September 23, 2008. Retrieved September 26, 2008.
  21. ↑ Phillips, John (September 24, 2008). "Half-Life: Decay Released". Planet Half-Life. GameSpy. Retrieved October 24, 2008.
  22. ↑ Meer, Alec (September 28, 2008). "Half-Life: The Lost Chapter". Rock, Paper, Shotgun. Retrieved October 24, 2008.
  23. ↑ "Half-Life Review". Allgame. Retrieved October 24, 2008.
  24. ↑ Perry, Doug (November 16, 2001). "Half-Life Review". IGN. Retrieved October 24, 2008.
  25. ↑ Smith, Steve. "Review: Half-Life". The Electric Playground. Archived from the original on October 3, 2008. Retrieved October 24, 2008.

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