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Planet Half-Life: Opposing Force - http://planethalflife.gamespy.com/opfor/
Walkthrough, tips, downloads as well as strategies for both the single player and online multiplayer version. |
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Justice for all [JFA] - http://www.geocities.com/stryker_calhoun/
Includes screenshots, pictures, profiles, and downloads. |
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GameGuide.com - http://www.gamespot.com/gamespot/guides/oppose_gg/
A complete game guide including first-person shooter basics, weapons descriptions, walk-throughs, cheat codes, and easter eggs. |
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CNET - http://download.cnet.com/downloads/0-10034-108-58918.html
Includes a free demo download and user opinions of the game. |
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Sierra: Half-Life: Opposing Force - http://hlopposingforce.sierra.com/
Official site includes game overview, news, media, support, forum, demo download, and online ordering. |