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Revisit Portal’s test chambers, linking spaces with portals to solve physics puzzles amid a full ray-traced visual overhaul.
Released 08 Dec 2022
Solve Portal Test Chambers
Link Spaces With Portals
See Ray-Traced Reflections
Experience the critically acclaimed and award-winning Portal™ reimagined with full ray tracing and DLSS 4 in this free DLC for Portal owners. Start thinking with portals, with RTX on.
Developed by Lightspeed Studios™ · Published by NVIDIA
You play through Portal’s test chambers, using portals to navigate the rooms and solve puzzles. The experience follows the original game’s single-player design, with GLaDOS’s commentary accompanying the tests.
Progress by working out how the chambers’ layouts and portal-compatible surfaces can be used to reach new areas and complete each puzzle. The challenges build on the game’s portal-based physics.
This version keeps Portal’s core gameplay while updating its presentation with ray-traced lighting, reflections and shadows, alongside revised textures and models. It is a free DLC for owners of Portal.
Players who enjoy this version often value seeing Portal’s puzzles and familiar gameplay with updated lighting, reflections, textures and models. Some appreciate it as a way to revisit the game or try ray tracing; others say the visual changes are not worth the performance demands, and mention crashes or distracting image artifacts.
Portal with RTX is a free DLC for all Portal owners developed by NVIDIA Lightspeed Studios. Experience the critically acclaimed and award-winning Portal™ reimagined with ray tracing and NVIDIA DLSS 4 with Multi Frame Generation Every frame of gameplay is upgraded with stunning full ray tracing, new, hand-crafted hi-res physically based textures, and new, enhanced high-poly models evocative of the originals, all in stunning 4K.
In Portal with RTX, full ray tracing transforms each level, enabling light to bounce and be affected by the scene’s geometry and materials. Every light is ray-traced and casts shadows, global illumination indirect lighting naturally illuminates and darkens rooms, volumetric ray-traced lighting scatters through fog and smoke, and shadows are pixel perfect. The addition of RTX Neural Radiance Cache also enhances the quality of ray-traced indirect lighting, while improving performance resulting in a more accurate and responsive lighting model. Portal with RTX is compatible with all ray-tracing capable GPUs.
| Platforms | Windows |
|---|---|
| Achievements | 15 |
| Age ratings |
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| Players | 1 |
| Multiplayer | The provided information identifies Portal with RTX as a single-player game. No multiplayer functionality is described. A Co-op Steam tag appears, but no cooperative mode, player count, or multiplayer features are stated in the provided text. |
| Multiplayer & mods | The game includes a level editor and Source SDK, but the provided information does not state any multiplayer mod support or multiplayer impact from modding. |
| Controller support | Xbox |
| Controller required | No |
| Website | Official website |
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