A few days ago, we shared a mod that lets you unlock the framerate in Metal Gear Solid Delta: Snake Eater. And now, we’ve got some tweaks that let you turn on Hardware Lumen Ray Tracing, Ray Reconstruction, and Frame Generation. These options should have been in the game’s settings. After all, this is an 80-euro game. But hey, at least there’s now a way to enable them.
Let’s start with Hardware Lumen Ray Tracing. Turning this on gives you better shadows, lighting, and ambient effects. But be warned. Hardware Lumen will lower performance, so only use it if you have a strong GPU.
To turn it on, go to the Engine.ini file found here:
AppData\Local\MGSDelta\Saved\Config\Windows . Once inside, look for the [SystemSettings] section and add these commands.
r.Lumen.HardwareRayTracing=1
r.Lumen.Reflections.HardwareRayTracing=1
r.Lumen.ScreenProbeGather.HardwareRayTracing=1
r.LumenScene.DirectLighting.HardwareRayTracing=1
To enable DLSS Frame Gen, you’ll have to add these commands. The first one enables DLSS Frame Gen. The second enables Reflex, and the third sets the mode for Reflex. The fourth and fifth are optional commands, aiming to reduce the visual artifacts of DLSS Frame Gen.
r.Streamline.DLSSG.Enable=1
t.Streamline.Reflex.Enable=1
t.Streamline.Reflex.Mode=1
r.Streamline.DilateMotionVectors=1
r.NGX.DLSS.AutoExposure=1
For our AMD fans, you can enable FSR 3.1 Frame Gen. All you have to do is the “r.FidelityFX.FI.Enabled=1” command. And that’s it.
You can also enable Ray Reconstruction, which can improve the quality of reflections. You can do this by using the “r.NGX.DLSS.denoisermode=1” command. Needless to say that this will also bring a performance hit. So, as with Hardware Lumen, you should use it only if you have a high-end NVIDIA GPU.
And there you have it. With these tweaks, Metal Gear Solid Delta: Snake Eater can look even better on PC. The ability to also use Frame Gen will be crucial for enabling these GPU-heavy features. As I’ve said, these features should have been supported via the in-game settings. So, let’s hope the devs will add them via a post-launch update.
Before closing, if anyone has issues with the Framerate Unlock mod I shared, I recommend switching to the latest version of MGSDeltaFix.
Enjoy and stay tuned for more!

John is the founder and Editor in Chief at DSOGaming. He is a PC gaming fan and highly supports the modding and indie communities. Before creating DSOGaming, John worked on numerous gaming websites. While he is a die-hard PC gamer, his gaming roots can be found on consoles. John loved – and still does – the 16-bit consoles, and considers SNES to be one of the best consoles. Still, the PC platform won him over consoles. That was mainly due to 3DFX and its iconic dedicated 3D accelerator graphics card, Voodoo 2. John has also written a higher degree thesis on the “The Evolution of PC graphics cards.”
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