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Ultimate Engine Tweaks

  • Aphelion — Ultimate Engine Tweaks
Aphelion / Mods and Skins / Optimization
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P40L0
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Date:
April 29, 2026, 11:52 AM
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  • April 29, 2026, 11:52 AM
    No VRR
    optimizacija_1777452738_919899.zip
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  • April 29, 2026, 11:52 AM
    VRR
    optimizacija_1777452738_700857.zip
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Engine.ini changes for Unreal Engine aimed at removing most stutters, improving performance and stability, reducing input latency, and enhancing image clarity — all with no loss in visual quality.

The main goal is to include as many optimizations as possible (for CPU/GPU/RAM/SSD) to eliminate most stuttering, boost performance, reduce input latency, and improve image clarity (for example, by optimizing film grain, motion blur, removing chromatic aberration, as well as optimizing DLSS/FSR upscaling and anti-aliasing, and reducing ghosting and shimmering) — all without any visual loss or introducing bugs or crashes.

What to choose between the VRR and No VRR mod variants:

  • VRR stands for Variable Refresh Rate, which corresponds to G-Sync for NVIDIA or AMD Freesync for AMD. You need to make sure this feature is enabled both in the NVIDIA/AMD control panel and on the display itself (monitor/TV);
  • If enabled in both places — use the VRR variant;
  • If not — use the No VRR variant.

How to install:

  1. Launch the game at least once and close it, then download/extract this Engine.ini and place it in: %localappdata%\PIO\Saved\Config\Windows (press Win + R, enter the path above and press Enter to open the folder directly);
  2. Then right-click the file -> Properties -> make sure the "Read-Only" box is checked -> Apply/OK.

For Xbox PC version only:

  1. Place the file at: %localappdata%\PIO\Saved\Config\WinGDK (press Win + R, enter the path above and press Enter to open the folder directly);
  2. Then right-click the file -> Properties -> make sure the "Read-Only" box is checked -> Apply/OK (to uninstall — simply delete the modified Engine.ini, the game will create a default file on next launch).

Useful links:

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