HL2's full campaign with classic Half-Life movement and HUD.
Play the complete Half-Life 2 single-player campaign with the classic movement feel and HUD style of the original Half-Life. The world, maps, story, characters, weapons, and sounds remain Half-Life 2. The mod restores 320-unit running, slower walking, no sprint, and classic capped air acceleration. The HUD reads Half-Life sprites from your installed copy at launch, with sliding health, suit, and ammo readouts plus a classic crosshair.\n\nRequires Half-Life 2 and Half-Life. No Valve game content is included. Free distribution under the Source SDK terms.