You are theoretical physicist, Dr. Gordon Freeman, whose experiment has just gone horribly wrong! You must find your way out of the research facility and find a way to fix this mess. Free mods: http://store.steampowered.com/mods/70/
Cheat code list & console commands for Half-Life.
Game Info (2)
Half-Life requirements, storyline, and other information.
Exploit & hack Half-Life known bugs and Easter eggs.
Official and community Half-Life mods, patches, config tweaks, and game alterations.
Half-Life guides, tutorials and howtos.