黑色高地
參考資料

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↑  Hamilton, Kirk. . Kotaku. September 14, 2012  [September 15, 2012]. （原始内容存档于2012-09-16）.
↑  Hubi, Josh. . Black Mesa: Community Forums. September 5, 2012  [September 11, 2012]. （原始内容存档于2012年9月19日）. At launch, a launch pad will be available offering multiple mirrors and options for download.
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↑  . hlfallout.net. 2004-06-21  [2008-12-06]. （原始内容存档于2004-12-16）. Since they licensed and integrated it into Source, Valve has been tweaking and adding to Havok to the point it's virtually a new animal. Almost every aspect of the Source engine  follows  on from the physics —   including the sound, graphics, AI and animation. When asked whether or   not they would be upgrading to Havok 2, Valve seemed to suggest they   probably wouldn't, in part because H2 wouldn't be much of a step  forward  from what they currently have. [與來源不符]
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↑  Hill, Jason. . The Age. 2009-02-16  [2010-03-13]. （原始内容存档于2010-03-30）.
↑  . Black Mesa Modification Team. 2010-01-04  [2010-03-13]. （原始内容存档于2010-03-09）.
1 2  Kim, Paul. . PC PowerPlay (Macclesfield: Media House). 2009-12-07, (174)  [2010-03-13]. ISSN 1362-2722. （原始内容存档于2010-04-01）.
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↑  Crossley, Rob. . ComputerAndVideoGames.com. 2012-06-11  [2012-06-11]. （原始内容存档于2014-12-18）.
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↑  Pearson, Craig. . Rock, Paper, Shotgun. January 9, 2013  [January 13, 2013]. （原始内容存档于2013-01-13）.
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1 2  . Metacritic.   [March 30, 2014]. （原始内容存档于2015-02-26）.
1 2  Kelly, Andy. . Computer and Video Games. September 17, 2012  [March 30, 2014]. （原始内容存档于2014-05-18）.
1 2  Derocher, Joshua. . Destructoid. September 23, 2012  [March 30, 2014]. （原始内容存档于2014-01-05）.
1 2  Ambròs, Albert.  [Review of Black Mesa]. Eurogamer. November 4, 2012  [March 30, 2014]. （原始内容存档于2019-06-23） （西班牙语）.
1 2  . GamesTM. October 12, 2012  [March 30, 2014]. （原始内容存档于2018-11-22）.
↑  . Steam. Valve Corporation. 2007-01-26  [2010-05-23]. （原始内容存档于2010-05-14）. Congratulations to the Black Mesa for Half-Life 2 MOD team for picking up the Most Anticipated MOD Award for the coming year from Mod DB. Over 80,000 votes were cast for MODs built for a number of different games, and they have been crowned this year's most wanted. [...] We're as eager to play it here as everyone else.
↑  Reismanis, Scott. . Mod DB. DesuraNET Pty Ltd. 2006-01-26  [2010-05-23]. （原始内容存档于2012-03-04）.
↑  Reismanis, Scott. . Mod DB. DesuraNET Pty Ltd. 2007-01-13  [2010-05-23]. （原始内容存档于2012-03-04）.
↑  stenchy. . Mod DB. DesuraNET Pty Ltd. 2008-01-28  [2010-05-23]. （原始内容存档于2012-06-05）. An honorable mention is due to the mod Black Mesa which continues to poll extremely strongly year after year, but misses out on a place in the top 5 because you cannot win a spot in the best unreleased category twice.
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↑  . bagofgames.com. 2012-09-15  [2012-09-16]. （原始内容存档于2012-09-18）.
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↑  .   [2017-05-10]. （原始内容存档于2015-07-22）.