Source Quadrilogy [fitgirl]: Half-life:

This collection bundles the four pivotal releases that transitioned Valve’s iconic universe into the Source Engine. Unlike the original GoldSrc versions, these editions feature enhanced physics, water reflections, and dynamic lighting. The bundle typically includes:

These versions serve as the foundation for thousands of community mods, from graphical overhauls to entirely new campaigns. Final Verdict Half-Life: Source Quadrilogy [FitGirl]

Relive the Legend: Half-Life: Source Quadrilogy [FitGirl Repack] This collection bundles the four pivotal releases that

Still one of the most satisfying weapons in gaming history. these editions feature enhanced physics

The download size is significantly reduced compared to the Steam uncompressed files.