Valve has updated Half-Life for its 25th anniversary to include a number of graphics fixes, widescreen field of view support, integration with modern Steam interfaces, and officially verified Steam Deck support. There are also four new multiplayer maps. Half-Life: Uplink as the original standalone Half-Life demo has also been added to the game.
This update also brings OpenGL optimizations for the Steam Deck, restores OpenGL over-bright support, improves font rendering on Linux, software renderer support on Linux, and a variety of other fixes. More details on this major milestone via SteamPowered.com . There is also a new web page dedicated to the Half-Life 25th Anniversary at Half-Life.com .