NVIDIA RTX Remix 1.2 Brings Advanced Path-Traced Particle System for Fire and Smoke Effects
NVIDIA has released RTX Remix 1.2, the latest update to its powerful modding toolkit, introducing a major new feature designed to elevate the visual fidelity of older games. The update, available now via the NVIDIA App, adds an advanced path-traced particle system that enables realistic fire, smoke, and dynamic particle effects previously impossible with earlier versions of the tools.
This breakthrough allows modders to replace static, low-detail fire and smoke effects in legacy titles with modern, physically accurate simulations. Demonstration footage shows just how transformative the system can be: in Half-Life 2 RTX, the Antlion Guard now charges through volumetric dust and smoke trails, while in Portal with RTX, flames and explosions gain a depth and dynamism comparable to effects in brand-new releases. Crucially, the toolset also allows creators to inject new path-traced particles directly into gameplay, streamlining workflows and expanding creative possibilities.
Comparison and demo videos:
Since its launch, RTX Remix has enabled modders to retrofit classics with cutting-edge path-traced lighting and textures, effectively rebuilding their visual identity while preserving core gameplay. Titles already enhanced include Left 4 Dead 2, Max Payne, Need for Speed: Underground, Half-Life 2, and Black Mesa. The toolkit’s popularity continues to expand, with projects underway for The Elder Scrolls III: Morrowind, Fallout: New Vegas, and many more.
For modders, RTX Remix 1.2 not only strengthens particle realism but also cements the toolkit as one of the most versatile platforms for revitalizing classic PC games. With each update, NVIDIA is narrowing the gap between older titles and modern visual standards, allowing beloved games to shine anew for contemporary audiences. You can learn more about RTX Remix on NVIDIA’s official website.
Which classic game do you think would benefit most from RTX Remix’s new path-traced particle effects?
