There are two distinct versions associated with the name "." The first is a popular community-developed remaster released in 2015, and the second is an official 20th Anniversary Update released by Valve in 2024. Half-Life 2: Update (2015 Community Mod)
: Fixed hundreds of engine-level bugs introduced when the original game was ported to newer versions of the Source engine. Half-Life 2: Update
Watch the comparison trailer to see the visual differences between the original game and the community update: Half-Life 2: Update - Introduction Trailer YouTube• Mar 26, 2015 There are two distinct versions associated with the name "
: Added full High Dynamic Range (HDR) lighting and more detailed world shadows. Improved Effects : New particle effects and enhanced fog. Improved Effects : New particle effects and enhanced fog
: Included a unique "Community Commentary" mode featuring well-known YouTubers like Caddicarus , ProJared, and Ross Scott.
: Improved draw distances and fixed numerous visual "seams" in the environment.