Age of Empires

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This article is about the Age of Empires video game series. For the first game of the series, see Age of Empires (video game).
The Age of Empires series logo
The Age of Empires series logo

Age of Empires is a series of computer video games developed by Ensemble Studios and published by Microsoft Game Studios. The first title of the series was Age of Empires, released in 1997. Since then, seven titles and three spin-offs have been released. The titles are historical real-time strategy games, and their gameplay revolves around two main game modes: random map, and campaign.

The games are set amidst historical events. The initial two games focused on events in Europe and Asia Minor, spanning from the Stone Age to the Classical period; one game explored the formation and expansion of the Roman Empire. The next two games also centered on Europe, but were set in the Middle Ages and the Spanish conquest of Mexico. The subsequent three games explored the early modern period, when Europe was colonizing the Americas and several Asian nations were on the rise. A spin-off game, Age of Mythology, was set in the same period as the original Age of Empires, but focused on fictional elements of Greek, Egyptian, and Norse mythology.

The Age of Empires series has been a commercial success, selling over 15 million copies. The popularity and quality of the games has earned Ensemble Studios a strong reputation in real-time strategy gaming. Ensemble collaborated with Big Huge Games on Age of Empires III: The Asian Dynasties. Critics have credited part of the success of the series to its historical theme and fair play; the artificial intelligence (AI) players fight with less "cheating" than in many of the series' competitors.

Contents

[edit] Common gameplay elements

An iron age civilization (in red) under attack in the original Age of Empires. The screenshot shows dead enemy units (in blue) and buildings on fire as a result of battle damage. A Greek phalanx has been selected, and its unit data is visible in the bottom left corner.
An iron age civilization (in red) under attack in the original Age of Empires. The screenshot shows dead enemy units (in blue) and buildings on fire as a result of battle damage. A Greek phalanx has been selected, and its unit data is visible in the bottom left corner.

The Age of Empires games belong to the real-time strategy genre, with the exception of the turn-based Age of Empires: The Age of Kings for the Nintendo DS. The series features two recurring modes of play: "random map," and "campaign." "Random map" is described by lead designer Greg Street as a "hallmark" of the series.[1] In this mode, the player selects a civilization and plays on a randomly created map.[1] A variation on random map is "death match," where players begin with large amounts of resources and fight until only one side remains. A "campaign" is a series of interrelated missions with a specific storyline.[2] Earlier games in the series included several campaigns; however, Age of Mythology was an exception to this trend, with one campaign.[3]

The missions in a campaign generally follow a historical setting and focus, yet do not strive for absolute historical accuracy.[4] For example, while Germany in the early modern period—when Age of Empires III was set—was largely Protestant, the design of the German church building is Catholic.[4] However, in The WarChiefs, the design team did take great care to ensure they portrayed Native Americans as accurately as possible, and relied on expert historians for assistance.[4] Age of Empires games use historical figures and units that are relatively well-known, but also include several "strange or exotic military unit[s]," to make the games more interesting.[5] The series' sporadic faithfulness to history has earned it criticism; critics have generally panned the notion of unhistorical skirmishes such as "Japanese vs. Vikings, Franks vs. Persians, and Britons vs. Chinese," none of whom ever fought.[6]

[edit] Games

The games in the series focus on historical events throughout time. Age of Empires covers the events between the Stone Age and the Classical period, in Europe and Asia Minor. Its expansion, The Rise of Rome, follows the formation and rise of the Roman Empire. The Age of Kings and its Nintendo DS spin-off follow Europe and Asia through the Middle Ages. The Age of Kings' expansion pack, The Conquerors, is set during the same period, but also includes scenarios about the Spanish conquest of Mexico. Age of Empires III and its first expansion, The WarChiefs, take place during the European colonization of the Americas. Its second expansion, The Asian Dynasties, follows the rise of Asia in the same period. The series' spin-off, Age of Mythology, and its expansion pack, The Titans, are set during the Classical period, but focus on mythology as their themes, rather than history.

[edit] Main series

Main articles: Age of Empires (video game), Age of Empires: The Rise of Rome, Age of Empires II: The Age of Kings, Age of Empires II: The Conquerors, Age of Empires III, Age of Empires III: The WarChiefs, and Age of Empires III: The Asian Dynasties

Age of Empires, released on October 26, 1997, was the first game in the series, as well as the first major release from Ensemble Studios.[7] It was one of the first history-based real-time strategy games made,[8] utilizing the Genie game engine. GameSpot described it as a mix of Civilization and Warcraft.[9] The game gives players a choice of 12 civilizations to develop from the Stone Age to the Iron Age. The expansion pack, The Rise of Rome, published by Microsoft on October 31, 1998, introduced new features and civilizations, such as the Romans. Although the two games had contained many software bugs, patches resolved many of the problems.[10][11]

Although some reviews were highly negative, Age of Empires received a positive reception in general; its Game Rankings and Metacritic scores are 87% and 83%, respectively.[12][13] The Academy of Interactive Arts & Sciences named the Age of Empires the 1998 "Computer Strategy Game of the Year."[14] For several years, the game remained high on the sales charts, with over three million units sold by 2000.[15] The Rise of Rome was not as popular: it had only sold one million units in 2000,[15] and attained 80% as an aggregate score from Game Rankings.[16]

Age of Empires II: The Age of Kings, released on September 30, 1999, used the Genie game engine, and had gameplay similar to its predecessor.[17] Age of Kings is set in the Middle Ages, from the Dark Ages to the Imperial Age. It allows players to choose one of 13 civilizations, from Europe, Asia, and the Middle East.[18] Microsoft published the expansion, The Conquerors, on August 24, 2000. It added new units and five new civilizations, including the Mesoamericans.[19] The expansion also introduced the concept of technologies that were only available to certain civilizations. The Age of Kings was a bigger critical success than the first two games; its Game Rankings and Metacritic scores were 92% and 91%, respectively.[20][21] Microsoft shipped out more than two million copies to retailers, and the game received numerous awards and accolades.[22] The Conquerors also received positive ratings; Game Rankings and Metacritic both scored it at 88%.[23][24] The Age of Kings and The Conquerors won the 2000 and 2001 "Computer Strategy Game of the Year" awards from the Academy of Interactive Arts & Sciences, respectively.[25][26]

Age of Empires III, released October 18, 2005, used a new game engine: Havok.[27] The game is set in the period between 1421 and 1850, and players can choose one of eight European nations. The game introduced a large number of features, such as home cities. Described by Ensemble Studios as "an important support system to your efforts in the New World," home cities helped provide the player with resources, equipment, troops, and upgrades. They could be used across multiple games, and upgraded after each battle; it was compared to a role-playing game character by Ensemble Studios.[28] The first expansion to Age of Empires III, The WarChiefs, was released October 17, 2006. Most gameplay changes in the expansion pack were small, but it introduced three new civilizations, with a focus on Native Americans.[29] Most notable was the introduction of the WarChief unit.[30] The second expansion, The Asian Dynasties, went on sale October 23, 2007. It was a jointly developed product; Big Huge Games helped Ensemble Studios develop the game, with Brian Reynolds joining Bruce Shelley as lead designer.[31] The game expanded the Age of Empires III universe into Asia, and introduced three new civilizations.[32] Reception towards Age of Empires III was good; Game Rankings scored it 82%, and Metacritic at 81%.[33][34] It sold more than two million copies, and won the GameSpy "real-time strategy game of the year" award.[35][36] The WarChiefs failed to equal the success of its predecessor; it had lower scores on both Game Rankings and Metacritic.[37][38] The Asian Dynasties received poorer reviews than The WarChiefs; it scored 80% on Game Rankings and Metacritic.[39][40]

Several collectors' editions of Age of Empires III included a hardcover artbook. The last page of the artbook has a pictorial depiction of the series; the Roman numerals below each panel range from I to V, indicating the series would include an Age of Empires IV and Age of Empires V. Ensemble Studios employee Sandy Peterson said the image "was total speculation on [their] part."[41]

[edit] Spin-off games

Main articles: Age of Mythology, Age of Mythology: The Titans, and Age of Empires: The Age of Kings

Age of Mythology focused on mythology rather than history. It shared several elements of gameplay with the main series,[42] and was considered a part of the series, despite its different focus.[43][44] The campaign in Age of Mythology tells the story of an Atlantean, Arkantos, and his quest to find why his people are out of favor with Poseidon and the Greek gods.[45] Microsoft published the game on October 30, 2002,[46] and its expansion, The Titans, on October 21, 2003.[47] The Titans featured the Atlanteans as a new civilization.[48] Its campaign is shorter than previous expansions, and centers on Kastor, son of Arkantos, who falls for the lies of the titans and frees them from Erebus.[49] Age of Mythology sold more than one million units in four months.[50] It scored 89% on Game Rankings and Metacritic.[51][52] The Titans failed to equal the sales success of Age of Mythology, although critics rated it highly.[53][54]

Backbone Entertainment developed a version of Age of Empires: The Age of Kings as a turn-based game for the Nintendo DS. Majesco published the game on February 14, 2006. It is similar to other turn-based games, such as Advance Wars, but with a gameplay based on its PC counterpart.[55] It supported multiplayer games over the Nintendo Wi-Fi Connection. Age of Empires: The Age of Kings scored 80% on Game Rankings and Metacritic.[56][57] Konami brought a game of the same title to the PlayStation 2 at around the same time as the DS version, but the game had little promotion, and sold poorly.[6]

[edit] Development

[edit] Historical elements

The development phases of the Age of Empires games were similar in several ways. Due to the games being based on historical events, the team often had to do large amounts of research.[58] However, the research was not in depth; it "was not ... a good idea for most entertainment products" according to Age of Empires designer Bruce Shelley.[58] Shelley also said that Ensemble Studios took most of the reference material from children's sections at libraries. He pointed out the goal was for the players of the game to have fun, "not [its] designers or researchers."[58] At the Games Convention Developers Conference in 2007, Shelley continued with this thought and explained that the success of the series laid in "making a game which appealed to both the casual and hardcore gamer."[59] Shelley also remarked the Age of Empires games were not about history in itself, but rather "about the human experience;"[59] they focused not simply on what humans had done but on what they could do in the future such as "going into space."[59] Ensemble Studios developed Age of Mythology in a different way than the previous two games. The team had worried they "couldn't get away" with a third historical-based game, and chose mythology as the setting after they had discussed several options.[60]

[edit] Artificial intelligence

The artificial intelligence (AI) used in the Age of Empires series has been developed and improved regularly by designers. AI specialist Dave Pottinger noted the development team gave the AI in the original game a very high priority, and spent over a year working on it. He said the AI in the game relies on tactics and strategies to win, instead of "cheating" by giving bonus resources to itself, or tweaking its units to be stronger than normal.[61] Pottinger later noted that the Age of Empires series team took great pride in their AI playing a "fair game."[62] They also gave the AI for The Conquerors a high priority, the result being the "smart villager" feature, which was highly popular in subsequent games of the series. After building a structure that stores or produces resources, smart villagers would proceed to collect resources related to the structure, such as crops from farms or ore from stones.[63] The Titans lets players use an AI debugger when creating custom scenarios; players can change the settings of computer players and make them act according to certain patterns.[64] More basic changes to the AI had previously been available in the series' first two games.[65]

[edit] Music

Stephen Rippy has been the series' music director since the first game. He has had occasional help from his brother, David Rippy, as well as Kevin McMullan.[66] He created the original music in Age of Empires with sounds of instruments from the periods in the game.[67] These sounds came from actual instruments, and their digital samples.[67] The tunes were the result of extensive research on the cultures, styles, and instruments used.[67] Rippy said sound development on The Age of Kings was easier, since there was knowledge of the instruments used in the Middle Ages. Therefore, they were able to reproduce the tunes for the soundtrack of the game.[68] In Age of Mythology, an orchestral instrumentation was used, instead. According to McMullan, the team also collected large numbers of audio recordings from zoos, and created "a massive sound library of [their] own material."[69] The music of Age of Empires III was similar to The Age of Kings, in which the team used more historical instruments; Rippy noted the team used instruments such as "bagpipes and field drums" to give it a realistic feel.[66]

[edit] Collaboration

Ensemble Studios worked together with Big Huge Games to develop The Asian Dynasties, Age of Empires III's second expansion. This was the first joint venture for both teams. The reason for them doing so was compatible schedules: Ensemble Studios was busy with other projects,—particularly Halo Wars—while Big Huge Games' real-time strategy team had few projects at that time. Big Huge Games did most of the work, but Ensemble Studios designers Greg Street and Sandy Petersen joined in the brainstorming, and had control over the final product.[70] Both studios had roles in testing the game before its release.[71]

[edit] Reception and legacy

Aggregate review scores
As of 22 April 2008.
Game Game Rankings Metacritic
Age of Empires
87%[12]
83%[13]
The Rise of Rome
80%[16]
–
Age of Empires II: The Age of Kings
92%[20]
91%[21]
The Conquerors
88%[23]
88%[24]
Age of Empires III
82%[33]
81%[34]
The WarChiefs
81%[37]
80%[38]
The Asian Dynasties
80%[39]
80%[40]
Age of Mythology
89%[51]
89%[52]
The Titans
84%[53]
84%[54]
Age of Empires: The Age of Kings
80%[56]
80%[57]

The Age of Empires series has been a commercial success. As of 2008, five of its games have each sold more than one million copies. According to Gamasutra, Age of Empires had sold more than three million copies, and The Rise of Rome sold one million copies as of 2000.[15] Around the same time, Microsoft announced that they shipped over two million copies of The Age of Kings.[22] In 2003, Microsoft announced the sales of one million copies for Age of Mythology.[50] By 2004,—prior to the release of Age of Empires III—the Age of Empires franchise had sold over 15 million copies.[72] On May 18, 2007, Ensemble Studios announced that two million copies of Age of Empires III had been sold.[35]

Critics have credited Age of Empires for influencing real-time strategy (RTS) games such as Rise of Nations and Cossacks.[73][74] Star Wars: Galactic Battlegrounds was also influenced by the series: it utilized the Genie game engine, as Age of Empires and Age of Empires II: The Age of Kings had, and was considered by critics to be a very close replica to the games. IGN began their review with the statement "I love Age of Star Wars, I mean Star Empires. Whatever it's called, I dig it."[75] and GameSpot wrote that "fundamentals of the Age of Empires II engine are so intact in Star Wars: Galactic Battlegrounds that veterans of that game can jump right in."[76] In October 2005, Shelley commented on the impact of the series. In a GameSpy interview, he explained that parents would "tell [Ensemble Studios] that their kid is reading books about ancient Greece because they enjoy playing with the triremes so much, or that they want to check out books about medieval history because [the] game taught them what a trebuchet was."[4]

Shelley has said the key to the success of the games was its innovation, rather than imitation of its peers. He also claimed the unique elements in the games "helped establish the reputation of Ensemble Studios as masters of the real-time strategy genre."[77] Mark Bozon of IGN wrote in his review of The Age of Kings, "The Age of Empires series has been one of the most innovative real-time strategy games for PC in the last decade or so."[78] Gamenikki called Ensemble Studios "the developer that started it all" when they talked about how much Age of Empires III had done to advance the real-time strategy genre.[79] Shelley has acknowledged the success and innovation of Age of Empires helped to ensure Ensemble survive its early periods since startup.[80] In 2005, Shelley complained of critics holding an "innovation bias" against the series; citing the 60% score from Computer Gaming World, he said that despite Age of Empires III being "perhaps the best selling PC game in the world," reviewers expected "something really new," and rated it harshly.[81]

Bungie Studios chose Ensemble Studios to develop Halo Wars, which is an RTS game in their Halo series. They said one of the reasons they chose to work with Ensemble was because of the "awesometastic" Age of Empires series.[82] They also noted that Ensemble was the perfect choice "to realize the original vision of Halo," which started life as an RTS.[82]

[edit] Notes

  1. ^ a b Age of Empires III Q&A. 3D Gamers (26 July 2005). Archived from the original on 2006-02-12. Retrieved on 2008-04-13.
  2. ^ Age of Empires II: The Conquerors, Attila the Hun Campaign. IGN (August 4, 2000). Retrieved on 2008-04-21. “The fourth campaign is a collection of individual battles from the medieval period”
  3. ^ Age of Mythology. Ensemble Studios. Retrieved on 2008-04-20.
  4. ^ a b c d Allen 'Delsyn' Rausch (14 October 2005). Art & Design: The Alternate History of Age of Empires III. GameSpy. Retrieved on 2008-04-10.
  5. ^ Andrew Auseon (20 September 2007). A History Lesson. IGN. Retrieved on 2008-04-10.
  6. ^ a b Chris Kirchgasler (4 January 2001). Age of Empires II: The Age of Kings preview. GameSpot. Retrieved on 2008-04-10.
  7. ^ Jeff Sengstack (February 14, 1997). Microsoft takes a stab at the golden age of wargaming. GameSpot. Retrieved on 2008-04-22.
  8. ^ Bruce Shelley (April 9, 2007). Play Age of Empires - Study History in College. Ensemble Studios. Retrieved on 2008-04-21.
  9. ^ T. Liam McDonald (1997-10-27). Age of Empires Review. GameSpot. Retrieved on 2008-01-14.
  10. ^ James Holland. Age of Empires. PC Gameworld. Retrieved on 2008-01-14.
  11. ^ Age of Empires Downloads. Microsoft. Retrieved on 2008-02-28.
  12. ^ a b Age of Empires. Game Rankings. Retrieved on 2008-01-14.
  13. ^ a b Age of Empires (pc: 1997). Metacritic. Retrieved on 2008-01-14.
  14. ^ Computer Strategy Game of the Year. Academy of Interactive Arts & Sciences. Retrieved on 2008-01-19.
  15. ^ a b c Matt Pritchard (2000-03-07). Postmortem: Ensemble Studios’ Age of Empires II: The Age of Kings. Gamasutra. Retrieved on 2008-02-01.
  16. ^ a b Age of Empires: The Rise of Rome. Game Rankings. Retrieved on 2008-01-14.
  17. ^ The Art of Empires. Gamasutra. Retrieved on 2008-04-28.
  18. ^ Civilizations. Microsoft. Retrieved on 2008-01-17.
  19. ^ Elliott Chin (2000-06-14). Age II: The Conquerors - The Mayans Showcase. Gamespot. Retrieved on 2008-01-17.
  20. ^ a b Age of Empires II: The Age of Kings. Game Rankings. Retrieved on 2008-01-17.
  21. ^ a b Age of Empires II: The Age of Kings (pc: 1999). Metacritic. Retrieved on 2008-01-17.
  22. ^ a b "Age of Empires II: The Age of Kings" Crowned No. 1 On Holiday Sales Charts Around the World. Microsoft (2000-01-27). Retrieved on 2008-01-17.
  23. ^ a b Age of Empires II: The Conquerors. Game Rankings. Retrieved on 2008-01-17.
  24. ^ a b Age of Empires II: The Conquerors (pc: 2000). Metacritic. Retrieved on 2008-01-17.
  25. ^ Computer Strategy Game of the Year. Academy of Interactive Arts & Sciences. Retrieved on 2008-01-19.
  26. ^ PC Strategy. Academy of Interactive Arts & Sciences. Retrieved on 2008-01-19.
  27. ^ David Adams (April 4, 2005). Havok in Age of Empires. IGN. Retrieved on 2008-04-20.
  28. ^ Home City. Ensemble Studios. Retrieved on 2008-01-18.
  29. ^ Steve Butts (2006-03-17). Ensemble's lead designer Sandy Peterson answers our questions. IGN. Retrieved on 2008-12-23.
  30. ^ Allen 'Delsyn' Rausch (2006-08-08). Age of Empires III: The WarChiefs (PC) Preview. Gamespy. Retrieved on 2008-01-17.
  31. ^ "Age of Empires III: The Asian Dynasties" Gets Ready to Expand Into the Eastern World, Goes Gold. Ensemble Studios. Age Community. Retrieved on 2008-01-18.
  32. ^ Allen 'Delsyn' Rausch (2007-05-23). Age of Empires III: The Asian Dynasties (PC) interview. Gamespy. Retrieved on 2008-01-18.
  33. ^ a b Age of Empires III. Game Rankings. Retrieved on 2008-01-18.
  34. ^ a b Age of Empires III (pc: 2005). Metacritic. Retrieved on 2008-01-18.
  35. ^ a b "Age of Empires III" Expands Into the Eastern World This Fall. Ensemble Studios. Age Community (2007-05-18). Retrieved on 2008-01-18.
  36. ^ PC Real-Time Strategy Game of the Year. GameSpy. Retrieved on 2008-01-19.
  37. ^ a b Age of Empires III: The WarChiefs. Game Rankings. Retrieved on 2008-01-18.
  38. ^ a b Age of Empires III: The WarChiefs (pc: 2006). Metacritic. Retrieved on 2008-01-18.
  39. ^ a b Age of Empires III: The Asian Dynasties - PC. Game Rankings. Retrieved on 2008-01-18.
  40. ^ a b Age of Empires III: The Asian Dynasties (pc: 2007). Metacritic. Retrieved on 2008-01-18.
  41. ^ Botolf (2006-05-03). Age 4 and 5?!?. Age of Empires III Heaven. HeavenGames. Retrieved on 2008-01-18.
  42. ^ Greg Kasavin (2002-11-02). Age of Mythology review. GameSpot. Retrieved on 2008-04-20.
  43. ^ William Harms. Age of Mythology. PC Gamer. Retrieved on 2008-04-22.
  44. ^ Kristian Brogger. Microsoft Age of Mythology. Game Informer. Retrieved on 2008-04-22.
  45. ^ Rob Fahey (2002-12-10). Age of Mythology review. Eurogamer. Retrieved on 2008-01-14.
  46. ^ Age of Mythology Info. MobyGames. Retrieved on 2008-01-14.
  47. ^ Age of Mythology: The Titans Info. MobyGames. Retrieved on 2008-01-14.
  48. ^ Age of Mythology:The Titans. Game Rankings. Retrieved on 2008-01-14.
  49. ^ Tom Bramwell (2003-10-21). Age of Mythology: The Titans review. Eurogamer. Retrieved on 2008-01-14.
  50. ^ a b "Age of Mythology" Goes Platinum With More Than 1 Million Units Sold. PressPass. Microsoft. Retrieved on 2008-01-14.
  51. ^ a b Age of Mythology Reviews. Game Rankings. Retrieved on 2008-01-14.
  52. ^ a b Age of Mythology (pc: 2002): Reviews. Metacritic. Retrieved on 2008-01-14.
  53. ^ a b Age of Mythology: The Titans - PC. Game Rankings. Retrieved on 2008-01-14.
  54. ^ a b Age of Mythology: The Titans (pc: 2003): Reviews. Metacritic. Retrieved on 2008-01-14.
  55. ^ Edwin Kee (February 2007). Age of Empires: Age of Kings. Mobile Tech Review. Retrieved on 2008-01-18.
  56. ^ a b Age of Empires: The Age of Kings - DS. Game Rankings. Retrieved on 2008-01-18.
  57. ^ a b Age of Empires: The Age of Kings (ds: 2006). Metacritic. Retrieved on 2008-01-18.
  58. ^ a b c Bruce Shelley. Microsoft. Retrieved on 2008-01-22.
  59. ^ a b c Emma Boyes (2007-08-22). GC '07: Don't ignore casual gamers, says Age of Empires panel. GameSpot. Retrieved on 2008-01-22.
  60. ^ Stuart Bishop (2002-08-19). Interview: Rock of Ages. Computer and Video Games. Retrieved on 2008-01-23.
  61. ^ Dave Pottinger. Microsoft. Retrieved on 2008-01-22.
  62. ^ Age of Empires III Q&A – Technology Overview. GameSpot (2005-03-09). Retrieved on 2008-01-23.
  63. ^ Age of Empires II: The Conquerors - First Impression. GameSpot (2000-05-31). Retrieved on 2008-01-22.
  64. ^ Rob Fermier (2003-08-25). Age of Mythology: The Titans -- Volume 1. Dev Diaries. GameSpy. Retrieved on 2008-01-23.
  65. ^ AI Tools. GameSpy (2005-10-26). Retrieved on 2008-04-28.
  66. ^ a b Interview with Age of Empires III lead composer Stephen Rippy. Music4Games (2006-02-01). Retrieved on 2008-01-23.
  67. ^ a b c Ensemble Studios Chat 16Oct97. Age of Empires Heaven. HeavenGames (1997-10-16). Retrieved on 2008-01-24.
  68. ^ Peter Suciu (2001-04-30). Soundtracks on CD-ROM: Stirring Music That Accompanies the Interactive. Film Score Monthly. Retrieved on 2008-01-23.
  69. ^ Steve Butts (2002-09-06). Age of Music. IGN. Retrieved on 2008-01-23.
  70. ^ Allen 'Delsyn' Rausch (2007-05-23). Age of Empires III: The Asian Dynasties (PC). GameSpy. Retrieved on 2008-01-23.
  71. ^ Brian Reynolds Interview - Part 1 - July 2007. Age of Empires III Heaven. HeavenGames. Retrieved on 2008-01-23.
  72. ^ Best-Selling Age Franchise Tops 15 Million Mark. Games for Windows. Microsoft (2004-05-07). Retrieved on 2008-01-14.
  73. ^ Elliott Chin. Rise of Nations for PC review. GameSpot. Retrieved on 2008-04-22.
  74. ^ Peter "Dirg" Suciu. Cossacks: The Art of War (PC). GameSpy. Retrieved on 2008-04-22.
  75. ^ Star Wars: Galactic Battlegrounds Review. IGN (2001-11-19). Retrieved on 2008-04-28.
  76. ^ Tom Chick (2001-11-21). Star Wars: Galactic Battlegrounds for PC Review. GameSpot. Retrieved on 2008-04-28.
  77. ^ Bruce Shelley. Guidelines for Developing Successful Games. Gamasutra. Retrieved on 2008-02-02.
  78. ^ Mark Bozon (10 February 2006). The Age of Kings is truly upon us.... IGN. Retrieved on 2008-04-03.
  79. ^ David Driscoll. Age of Empires III. Gamenikki. Retrieved on 2008-04-03.
  80. ^ Russ Pitts (2006-11-28). From Borg to Boss. The Escapist. Retrieved on 2008-02-02.
  81. ^ John Houlihan (22 December 2005). Shelley decries 'innovation bias'. ComputerAndVideoGames.com. Retrieved on 2008-04-03.
  82. ^ a b KPaul (2006-09-29). Bungie Weekly Update. Bungie. Retrieved on 2008-02-02.

[edit] External links

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