Upgrade your version of Half-Life, the award-winning action game from Valve and Sierra Studios. Half-Life 1.1 is an upgrade of the multiplayer components and developer tools. It also contains Team Fortress 1.5, a new version of the popular team-based action game that features three new scenarios (Dustbowl, Epicenter, and Warpath) and more.
Note: This download is for the retail version of Half-Life only. If you have version 188.8.131.52, you must upgrade it from this file instead.