Bring more atmosphere to your journeys with detailed skies, warm sunsets, varied weather and enhanced rain effects—all in one package.

GMC All-In-One Graphics Fidelity combines sky, lighting and weather improvements, from bright afternoons and overcast mornings to clouded nights and stormy drives.

Features

• 16K high-resolution HDR sky textures throughout the day and night.

• Expanded sky selection with varied daytime clouds, clouded nights and rain formations.

• Atmospheric sunrises and sunsets.

• Custom sun and halo treatment for softer sun edges.

• Storm weather with thunder and lightning.

• Windshield rain treatment and enhanced wheel spray.

• Extended grass visibility.

Installation

1. Download the correct edition for your game.
2. Place the .scs file in your game’s Documents mod folder:
3. ATS: Documents\American Truck Simulator\mod
4. ETS2: Documents\Euro Truck Simulator 2\mod
5. Enable the mod in Mod Manager and place it at the top of your load order.
6. Disable older GMC Graphics Fidelity editions and any duplicate Steam Workshop copy.
7. Load your profile and play normally—no console commands or additional setup required.

Compatibility

For game version 1.61.

This mod is an all-in-one weather mod. It has not been tested to be combined with other weather mods; use at your own risk.

The 16K specification refers to the sky textures, not your display resolution. Performance will vary with your hardware, graphics settings and other active mods.

Support and feedback

Get support and share your screenshots or feedback at the GMC Community Discord:

https://discord.com/invite/gmc-community

Credits

Created and developed by Allan GMC.

Thank you to the GMC Community beta testers for their time, screenshots and feedback.