7.5 GB
A buried version of the Zone brought back as a huge, strange, standalone S.T.A.L.K.E.R. campaign.
S.T.A.L.K.E.R. Lost Alpha Directors Cut is a free fps game released under Free standalone fan project. It runs on Windows, needs about 7.5 GB of disk space, and requires no account, payment or trial. On a computer, the fastest route is the PlayBound Launcher. On a phone or tablet, use the official store or site instead.
One-click install
PlayBound fetches the official release — no third-party mirrors.
Download all six official S.T.A.L.K.E.R. Lost Alpha 1.4007 Developer’s Cut parts from the ModDB files page and place them together in one folder.
Keep every downloaded part in the same folder; the multipart installer cannot complete if any numbered file is missing or renamed.
Run the setup program supplied with the final part, choose an install folder outside Program Files, finish installation, and launch Lost Alpha.
Minimum
64-bit Windows 7 or newer, 4 GB RAM, DirectX-compatible graphics, and at least 10 GB free for download and installation.
Recommended
64-bit Windows 10 or newer, 8 GB RAM, a modern dedicated GPU, and SSD storage for smoother loading.
Yes. The official 1.4007 Developer’s Cut is a full standalone release; it needs neither an older Lost Alpha build nor Shadow of Chernobyl.
Install version 1.4007 Developer’s Cut. Its ModDB uploader identifies it as the last official release, with all included mods and no previous version required.
The official release uses an old multipart installer totaling roughly 7.3 GB. Download all six parts into one folder before running the setup.
No. Lost Alpha is a single-player story campaign and does not include multiplayer.