Valve updates Half Life 2, improves graphics

Valve has released updates for Half Life 2, adding to the now 5 year old game Steam Cloud for save games, achievements and improved graphics that were available in Episodes One and Two.

Half-Life 2
* Added support for Mac
* Added Steam Cloud support for save games
* Added new achievements
* Improved graphical effects

Half-Life 2: Episode One
* Added support for Mac
* Added Steam Cloud support for save games
* Added new achievements
* Improved graphical effects

Half-Life 2: Episode Two
* Added support for Mac
* Added Steam Cloud support for save games


Note: Save games for Half-Life 2 and Half-Life 2: Episode One will go through a transition. The current level you are on will be saved, but not the exact position in the level.