🟢 Verified Guide • UE5 Engine Guide • 3 min read

How to Disable Mouse Smoothing & Set 105 FOV in S.T.A.L.K.E.R. 2 Heart of Chornobyl

S.T.A.L.K.E.R. 2 features heavy default mouse acceleration and narrow 75 FOV. Learn how to edit Engine.ini to restore raw 1:1 mouse input and expand your field of view to 105.

Published by GGCodes Zone Engineer • Updated for 2026 Season

📋 Step-by-Step Instructions

Step 1: Step 1: Open Local AppData Folder

Press Windows Key + R, type `%localappdata%\Stalker2\Saved\Config\Windows` and press Enter.

Step 2: Step 2: Open Engine.ini in Notepad

Right click `Engine.ini` and open with Notepad or your favorite text editor.

Step 3: Step 3: Paste Input & FOV Override CVars

Scroll to the bottom and paste the `bEnableMouseSmoothing=False` and `FieldOfView=105.0` lines from GGCodes.xyz.

Step 4: Step 4: Save and Set File to Read-Only (Optional)

Save the file. If game patches reset settings, right-click Engine.ini -> Properties -> check 'Read-only'.

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❓ Frequently Asked Questions

Why does S.T.A.L.K.E.R. 2 feel sluggish with default mouse settings?

Unreal Engine 5 enables mouse smoothing and variable framerate frame-buffer filtering by default. Disabling it gives pure 1:1 hardware mouse sensor tracking.

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