While technically "unofficial," the gaming industry has largely turned a blind eye to these downloads because they preserve a piece of history that would otherwise be lost to legal red tape.
Because no corporation currently claims ownership of the code (or at least, no one can prove it), the games have entered a state of Since you cannot buy a new copy, fans created the NOLF Revival Project . No One Lives Forever (1 & 2) Free Download
If you are looking to dive into the world of UNITY, the process is straightforward: Search for the "NOLF Revival Project." While technically "unofficial
Here is the story of how these games became legendary and how the community keeps them alive today. The Legend of Cate Archer no one can prove it)