(Original) and its expansions: Opposing Force and Blue Shift . Half-Life: Source (the engine port).

A complete bundle like the "Half Life Complete Bundle Pack FINAL2 REPACK-KaOs" likely includes:

The "KaOs" style of repacking often features a simplified, "one-click" installation interface that handles the complex directories of the Half-Life series automatically. Legacy and Impact

This complete bundle pack includes: