HEATKEYS

Gamespy Planet site for all the Half-Life games, Half-Life, Half-Life 2, HL2, HL, Counter-Strike, Day of Deafeat, Team Fortress, Opposing Force, Blue Shift, games, News, Trailers, Screenshots, Previews, Reviews, Guides and more

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Combine OverWiki is a comprehensive wiki encyclopedia focusing on the Half-Life / Portal universe and its related subjects. Its main purpose is to collect all the available information related to the franchise, such as the games, its expansions and e...

YouTube is a place to discover, watch, upload and share videos.

Abbreviations - acronyms and initialisms from a database of over 600,000 entries covering computers, technology, telecommunications, and the military.

Half-Life Library is a Half-Life and Valve wiki where anybody can edit and add as much content as they want. This site focuses more on user generated content like custom maps, modifications, videos, models, clans and more for all of Valve's games.

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Mod DB covers the game development scene across all platforms PC, XBOX, Playstation and Nintendo serving up downloads of the best mods and other indie created content.