The classic Half Life is now free on Steam with a load of extras including Steam Deck support. You can now pick it up free here...
half-life.com
Half-Life
Half-Life is back and better than ever. Alongside interviews with the original developers, the game is now available with the Uplink mini-campaign, Steam Deck support, updated graphics settings, new multiplayer maps, and bonus restored goodies.
half-life.com
