Half Life - Source Quadrilogy [fitgirl].zip -

The "Quadrilogy" typically includes the following titles, all updated to the latest available engine builds as of late 2019:

The second expansion that concludes the current story arc. Half Life - Source Quadrilogy [FitGirl].zip

The is a highly popular community-curated repack that compiles the core "Source" engine era of the Half-Life series into a single, highly compressed installer. Half Life - Source Quadrilogy [FitGirl].zip

Significantly larger (standard for repacks), often expanding to 10 GB+ depending on selected components. Half Life - Source Quadrilogy [FitGirl].zip