After boosting Portal with a shiny RTX launch final 12 months, Nvidia is at it once more. This time round, the cube-shaped edges of Portal: Prelude, the fan-made mod that serves as a full prequel to Valve’s beloved puzzler, have been ray traced. You may go and obtain Portal: Prelude RTX free of charge now, so long as you could have the {hardware} to run it.
Like Portal RTX, Portal: Prelude RTX was remastered utilizing Nvidia’s RTX Remix expertise, which improved upon the textures of the favored 2008 mod whereas including help for ray-traced lighting and reflections.
The RTX model elevates the unique mod even additional to DLSS 3, which goals to counter the efficiency hit of monitoring all these beams by rendering further frames, presumably holding issues as clean because the shiny exterior of a Portal turret.
Additionally included within the record of acronyms is RTX IO, which goals to attenuate texture loading occasions by offloading CPU work to an RTX GPU, as Katharine simply explains right here.
If you happen to’re not aware of Portal: Prelude, the mod options 19 new chambers within the model of the seminal puzzle recreation and follows new character Abby in an origin story for each Aperture Science and GlaDOS. Mods-wise, it is a formidable creation, with full voice appearing and a marketing campaign lasting round six hours.
Just like the RTX overview for Portal, Portal: Prelude RTX would require you to have a graphics card that may deal with all that ray-tracing goodness, with the mod’s spec itemizing an RTX 2060 as a baseline and recommending an RTX 3080 – under the unique Minimal 3060 of the portal.
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Even so, your mileage could range if the “Combined” critiques of the mod on Steam are something to go by, with even these working at the least the minimal spec encountering some efficiency points, though it seems extra criticism is directed on the design of the mod’s puzzle versus its framerate. Nonetheless, it will not value you a cent to attempt it out, so long as you already personal Portal.