Hacking RTX remixes will become easier now that NVIDIA’s beneficial intervention on Portal RTX

We have published several articles about various RTX Remix “hacks” that modders have tried since the release of Portal RTX. Games like Half-Life 2, Max Payne, SWAT 4, Unreal Tournament 2004, and Battlefield 1942 have all received shiny, albeit work-in-progress, renderings of NVIDIA’s impressive remastering tool.

However, not many just work. Fortunately, NVIDIA was so impressed by the community’s efforts that the latest Portal RTX update also introduced some tweaks to improve RTX Remix’s compatibility with other games. Tech Lead Alex Dunn shared the following message on his dedicated Discord channel:

We’ve just updated the RTX build live portal with some critical bug fixes and other minor improvements (including the required Low and Medium graphics presets).

Here at NVIDIA we are so impressed with all the amazing work this community has done on RTX Remix title compatibility, and as such we have decided to include some general compatibility fixes in this patch to help enhance this great work!!

We’ve looked at some common issues faced by the community and put together a few fixes that we think are low risk enough to include in Portal with the RTX patch. Unfortunately, that doesn’t mean we’ve fixed every general RTX Remix compatibility issue reported by the community. However, we think this will help address some of the crashes and other compatibility issues that you’ve found.

Of course, the Portal RTX update released today doesn’t just improve RTX Remix’s compatibility with other games. The team at Lightspeed Studios has also introduced several new graphical settings and enhanced graphics presets, with the expectation of improving performance for most RTX GPUs. The defaults are now set to “Ultra” for RTX 40 Series GPUs, “High” for RTX 30 Series GPUs, and “Low” for RTX 20 Series GPUs. Here’s the full changelog for update 1.5:

  • Fixed some issues that could cause a crash on startup
  • Improved stability for lower resolutions
  • Changed “full screen” mode to non-exclusive mode, which improves stability; True full screen exclusive mode can still be enabled in developer settings if desired (found in Remix graphics menu via Alt-X)
  • Added medium and low graphic presets to improve performance on lower spec GPUs. Adjust the preset to a higher setting to include better volumetric lighting and particle lighting.
  • Presets now affect the DLSS quality level when DLSS is set to “Auto”; Custom DLSS quality levels can still be set, as before
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As a reminder, RTX Remix is ​​not yet officially available. We’ll let you know once NVIDIA makes it public.

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