Some games perform better than others, but the fact that it works at all isn't to be sniffed at.
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Backing up slightly, this whole thing is made possible by a project called ProsperoEden, which is based on the Eden open-source Nintendo Switch emulator that already works on Windows, macOS, and Linux. ProsperoEden takes that open-source base and then adapts it to work on the PS5, and while it's only available as an early alpha version right now, it does indeed work, as reported by VideoCardz .
According to the project's documentation, a number of games have been tested with varying degrees of compatibility. Cuphead and Metroid Dread are said to run fine, reaching at least 40 FPS. Hollow Knight , Horizon Chase Turbo , Mario Kart 8 Deluxe , and a handful more achieve similar results.
At the other end of the scale, The Legend of Zelda: Breath of the Wild is "unplayable," while Animal Crossing: New Horizons runs "with major issues" and a frame rate that sits around the nausea-inducing 15 FPS.
The confusing compatibility situation can probably be put down to the fact that the emulator currently uses OpenGL, since there is no Vulkan renderer available to it. The PS5's firmware is also a variable not to be ignored. While most testing was done on a PS5 running the version 6.02 firmware, some builds of the ProsperoEden emulator have been known to work on firmware version 12.70. All of this is to say that your mileage may very well vary if you intend to take ProsperoEden for a spin on your own console.
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The good news is that the project is in active development, so compatibility may improve over time. The latest v1.000.010 release promises improved game loading and includes fixes specifically for the Metroid Dread and Super Mario 3D World titles. It also includes improved OpenGL rendering and performance, including multisample operations, render-target compatibility, shader lifetime handling, and depth copies.
Anyone wondering about connecting their Switch Joy-Con to a PS5 needn't worry; ProsperoEden supports DualSense controllers, and there's even support for saving your game so you won't have to start from scratch every time you play.
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Reference reading
- https://www.tomshardware.com/video-games/console-gaming/SPONSORED_LINK_URL
- https://www.tomshardware.com/video-games/console-gaming/you-can-now-play-nintendo-switch-games-on-a-jailbroken-ps5-early-alpha-hits-40-fps-in-lighter-titles-but-chokes-on-zelda#main
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