Half-Life (Dreamcast) is a cancelled Half-Life port for the Sega Dreamcast was in development by Gearbox Software and Captivation Digital Laboratories for a 2001 release. It was eventually cancelled by Sierra following declining console sales.
Half-Life: Blue Shift was initially planned as a Dreamcast exclusive campaign.
Near-final versions of the game were eventually found and dumped, and their contents were ported to the PC version of GoldSrc as a mod.
Several high-profile GoldSrc mods were ported to the Dreamcast by fans, including Gunman Chronicles, They Hunger and USS Darkstar.