REX Atmos CORE for Microsoft Flight Simulator 2024

Atmos CORE is a next-gen atmospheric engine for MSFS 2024 that injects changes directly into the simulator, not a post-process filter. Tune live weather depiction, atmospheric scattering, particulate haze, lighting, and global tone in real time, with immediate visual feedback. Modular editors (Weather, Atmosphere, Enviro) and robust preset management let you save, share, and autoload looks across devices. Works with Asobo Live Weather, presets, and ActiveSky FS.

Deep Immersion

Shape the weather, atmosphere, and environment in real time. Not just visual tweaks, Atmos CORE taps directly into the sim’s engine for realism, cinematic immersion, and total creative control.

Unique

This isn’t like ReShade or Nvidia Filters, it injects real-time changes into the simulator engine responding naturally to the environment. Tune for realism, personal style, or complex environmental behavior.

Compatibility

Compatible with Live Weather, Weather Presets, or Activesky FS. You can also craft your own with advanced tools such as: temperature, humidity, pressure, wind, cloud layers & heights, storm intensity, even hurricanes or heavy fog.

Live Weather Depiction & Visual Tuning

This allows visual fine-tuning of real-time weather and how it's physically rendered. Adjust Weather Impact Modes to control how strongly live conditions influence atmospheric behavior.

Atmosphere – Control Like Never Before

Simulate realistic atmospheric layers, tune scattering height and Rayleigh RGB values, and control light phase functions to achieve a better horizon behavior. Realistic haze, dust, and moisture can be added using the built-in Particulate Simulation Engine, allowing you to replicate a wide variety of air quality conditions including pollution, mist, or dry heat.

Enviro – Transform Light and Color

Refine how color behaves across the environment. Adjust ambient light tinting, and global tone to control how the world responds to different conditions. Lock channels for precise coloring or edit each individually for complete freedom.

Weather Building

Create fully customized and detailed weather environments. Save and share them exclusively with other Atmos CORE users. Once shared, others can experience the same weather conditions in real-time. Multiplayer realism re-defined!

Powerful Preset Management

All modules include a SAVE feature, allowing you to save the looks and/or weather you created. Presets can autoload at launch, and all data is safely stored both locally and in the cloud for peace of mind across reinstalls or device changes.

Built for Simulator Purists

Experience stunning cloud visuals that provide realism and immersion, enhanced by a sophisticated algorithm that offers clear differentiation between cloud types, and dynamic weather scenarios that adjust based on real-world conditions, bringing your flights to life.

Customer Upgrade Path

Existing owners of Atmos for MSFS 2020 receive a 50% discount! A valid Atmos 2020 license is required to unlock the discount.

Frequently Asked Questions

What is REX Atmos CORE?

Atmos CORE is a powerful real-time atmospheric, weather, and environmental engine built specifically for Microsoft Flight Simulator 2024. It redefines how the simulator handles live, preset or Activesky FS weather, cloud behavior, lighting, and atmospheric rendering by allowing you full visual and physical control, directly at the core level of the sim. Atmos CORE isn’t just a filter overlay like ReShade and Nvidia Filters, it injects changes directly into the simulator’s engine producing real-time results that respond naturally to the environment. Whether tuning for realism, cinematic style, or complex environmental behavior, CORE gives you tools to craft an experience uniquely yours.

Does REX Atmos CORE support Asobo real-time weather updates?

Yes! Atmos CORE integrates with real-time weather data, as well as weather presets and add-on weather generators such as ActiveSky FS.

Is REX Atmos CORE compatible with other add-ons?

Yes, Atmos CORE is designed to be fully compatible with all other third-party add-ons, ensuring seamless integration with your existing simulation setup.

Can I create and share my own weather scenarios?

Absolutely. Atmos CORE includes powerful tools for creating custom weather scenarios, which you can save, share, and even download from other users via our in-app cloud-based sharing system.

How customizable is REX Atmos CORE?

Atmos CORE offers a wide range of customization options so you can tailor to your preferences.

Will REX Atmos CORE affect system performance?

Atmos CORE is designed for smooth performance, even on mid-range systems. When adjusting sliders, there may be a brief pause as the system processes the changes, but once settings are applied, FPS will stabilize and return to normal.

Do I need an internet connection for REX Atmos CORE to work?

Yes, an internet connection is required.

Can I use REX Atmos CORE with Reshade or other filters such as Nvidia Freestyle?

Yes, Atmos CORE can be combined with other external filters.

Is REX Atmos CORE compatible with DX11 and DX12?

Yes, Atmos CORE is compatible with both DX11 and DX12.

"I can just use Nvidia or other filters instead of REX Atmos CORE!"

Filters like ReShade sit on top of the sim. Atmos CORE operates within it, enabling true real-time control and physics-driven visuals filters can’t match.

Key Features

• Real-Time Core Integration: Changes injected directly into the MSFS 2024 engine, not just surface-level filters like ReShade or Nvidia filters.
• Immediate Visual Feedback: Instantly see the impact of your adjustments, eliminating guesswork.
• True-to-Life Atmospheric Simulation: Physically-based modeling ensures realistic weather, lighting, cloud behavior, and environmental effects.
• Modular Interface: Easily manage Weather, Atmosphere, and Enviro settings.
• Custom Weather Creation: Craft detailed scenarios or modify live weather in real-time.
• Advanced Atmospheric Controls: Adjust Rayleigh scattering, particle density, atmospheric depth, and much more.
• Precise Environmental Lighting: Fine-tune global tone, ambient color, and directional lighting with detailed RGB controls.
• Particulate Simulation: Recreate authentic haze, pollution, dust storms, or fog conditions.
• Robust Preset Management: Save, share, and auto-load your favorite with secure cloud backup.
• Upcoming integration with REX Weather CORE for dynamic automatic adjustments.
• Future-ready dynamics that evolves during your flight.