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S.T.A.L.K.E.R. Anomaly video preview
9.3 GB
overviewmediaeditionsinstallcontrolsguidesachievementsnewsdiscussionreviews

Last updated October 25, 2026

FPS
Survival

S.T.A.L.K.E.R. Anomaly

The Zone as a survival sandbox: four story chapters, faction wars, and thousands of ways to make it meaner.

Choose an edition

How to install S.T.A.L.K.E.R. Anomaly for free

S.T.A.L.K.E.R. Anomaly is a free fps game released under Free standalone fan project. It runs on Windows, needs about 9.3 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.

Choose how to install

Install with PlayBound or download from the official source without the launcher.

Get It Free

Installation steps

  1. 1

    Windows

    Download the current Anomaly 1.5.x standalone package from ModDB (PlayBound opens the project page).

  2. 2

    Windows

    Install into its own folder — do not overwrite a GOG Call of Pripyat, Clear Sky, or Shadow of Chornobyl install.

  3. 3

    Windows

    Run AnomalyLauncher once, reach the main menu, and confirm a new save works.

  4. 4

    Windows

    Optional: for G.A.M.M.A., select the GAMMA edition and follow https://github.com/Grokitach/Stalker_GAMMA/wiki/Installing-GAMMA after Anomaly works (Anomaly first, then the G.A.M.M.A. launcher).

First Play Guide

Recommended first-time setup and configuration steps when launching S.T.A.L.K.E.R. Anomaly.

  1. 1

    Download Anomaly 1.5.x from ModDB and install into its own folder — do not overwrite a GOG trilogy install.

  2. 2

    Run AnomalyLauncher once, reach the main menu, and confirm a new save works before adding GAMMA or other packs.

  3. 3

    Optional hardcore pack: switch to the GAMMA edition and follow https://github.com/Grokitach/Stalker_GAMMA/wiki/Installing-GAMMA after Anomaly works.

System requirements

Minimum

Windows 7 · Dual-core CPU · 4 GB RAM · DX9 GPU · 10 GB storage

Recommended

Windows 10 · Quad-core · 8 GB RAM · DX11 GPU · 20 GB storage

Install questions

Is Anomaly free?

Yes. It is a free community standalone distributed via ModDB.

Do I need Call of Pripyat?

No. Anomaly is standalone — no GOG purchase is required.

What is GAMMA?

G.A.M.M.A. is an optional hardcore survival modpack for Anomaly (https://github.com/Grokitach/Stalker_GAMMA). PlayBound lists it as the GAMMA edition — install clean Anomaly first, then the official G.A.M.M.A. launcher.

Is GAMMA under Call of Pripyat?

No. GAMMA requires Anomaly. The CoP page is the paid GOG campaign only.

How big is GAMMA?

Plan for a large download and tens of gigabytes free — often on the order of 80–130 GB depending on options and updates. An SSD helps.

Does S.T.A.L.K.E.R. Anomaly have multiplayer?

No. S.T.A.L.K.E.R. Anomaly is a single-player game, so there is no multiplayer mode to join or host.

Official S.T.A.L.K.E.R. Anomaly site More from Anomaly Developers
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