Half-Life 2 gets a 20th Anniversary update that bundles the Episodes and Lost Coast into the main game while making several across-the-board additions and improvements to in-game visuals, though not to the level of a full port to a new engine.

To celebrate the game’s 20th anniversary, Valve is offering Half-Life 2 for free until November 18th with additional content including developer commentary mode, improved graphics, and more.

Time surely flies, and Gordon Freeman's followers know it better than anyone. Half-Life 2 is celebrating its 20th anniversary, and Valve has decided to make good on the occasion. The developers have launched a significant update that makes the classic even better. It is available on Steam for free until November 18.

It’s Half-Life 2’s 20th anniversary, and in celebration, Valve has released a special update that adds the Episode One and Episode Two expansions to the base game so you can play it all straight through,

This celebration comes almost exactly a year after the original Half-Life received a similar update and documentary. For Half-Life 2, Valve has integrated its two expansions, Episode One and Episode Two,