An experimental Nintendo Switch emulator is now running natively on jailbroken PlayStation 5 consoles, according to VideoCardz and a September 28 follow-up from Tom’s Hardware. The project is called ProsperoEden. It adapts the open-source Eden emulator, itself derived from the older Yuzu lineage, so that it runs as PS5 homebrew instead of through a Linux layer.
That distinction matters for the story, and it also draws a hard line for most readers. ProsperoEden is not a PlayStation Store feature, not a Sony-supported tool, and not something a stock retail PS5 can use. Both outlets describe it as early alpha software that still depends on a jailbroken console and the right firmware conditions.
What the alpha can run today
VideoCardz published the first widely circulated compatibility notes on September 27, citing the project’s own test results for build v1.000.010. Tom’s Hardware’s September 28 piece repeats the same broad split: lighter 2D and some 3D titles are already in a playable range, while major Nintendo open-world games are not.
| Game (tested sections) | Reported result | Outlet summarizing project notes |
|---|---|---|
| Cuphead | Up to about 60 FPS in VideoCardz’s summary; Tom’s groups it with titles at or above roughly 40 FPS | VideoCardz; Tom’s Hardware |
| Metroid Dread | Around 40 FPS; recent build called out for loading fixes | VideoCardz; Tom’s Hardware |
| Super Mario 3D World | Playable in tested sections; loading/shutdown fixes in v1.000.010 | VideoCardz; Tom’s Hardware |
| Mario Kart 8 Deluxe | Reaches gameplay; one measured stretch near ~39.5 FPS in VideoCardz notes | VideoCardz |
| Hollow Knight; Horizon Chase Turbo | Listed among titles in a similar playable band | Tom’s Hardware; VideoCardz |
| Animal Crossing: New Horizons | Major issues; around 15 FPS in Tom’s summary | Tom’s Hardware |
| The Legend of Zelda: Breath of the Wild | Unplayable in current notes | Tom’s Hardware |
Both reports stress that the current renderer is OpenGL only, with no Vulkan backend on the PS5 port yet. That limitation is the simplest explanation for why some lighter games look encouraging while Breath of the Wild does not. Firmware is another variable: most cited testing sits on PS5 firmware 6.02, while some earlier ProsperoEden builds were also reported on 12.70.
What the latest build actually changed
The v1.000.010 alpha, as summarized by VideoCardz, focuses on OpenGL plumbing and session behavior rather than a sudden leap in first-party compatibility. The notes mention multisample operations, render-target compatibility, shader lifetime handling, and depth copies, plus better game loading and shutdown. Players can mark individual titles for handheld or docked mode, with the choice applied on the next launch. DualSense control, save support, and a performance overlay are part of the same alpha feature set described in that coverage.
None of those bullet points turn ProsperoEden into a substitute for a Switch or Switch 2. They do show why the homebrew scene treated a native PS5 port as news: getting commercial Switch games to a playable alpha on Sony’s hardware, without booting a separate OS, is a larger leap than another desktop emulator build.
Owner impact: who this does and does not matter for
| Reader situation | Practical takeaway |
|---|---|
| Retail PS5 / PS5 Pro on current supported firmware | No change. ProsperoEden is not available through official channels and requires a jailbroken console. |
| Homebrew-capable PS5 owners following the scene | Alpha curiosity only. Compatibility is uneven, OpenGL-bound, and firmware-specific per VideoCardz and Tom’s Hardware. |
| Switch / Switch 2 owners | No official crossover. This reporting does not create a sanctioned way to move Nintendo libraries onto PlayStation. |
| Anyone hoping for legal Switch games on PS5 | Still waiting on actual platform deals, not emulator alphas. Nintendo and Sony have not endorsed this project. |
There is also a longer shadow over any Yuzu-derived project. Nintendo’s legal pressure ended the original Yuzu effort, and TechPowerUp’s write-up of ProsperoEden makes the obvious point that attention and progress can cut both ways for a public alpha. For NextGenConsole readers, the useful framing is narrower: interesting homebrew milestone, incomplete compatibility table, zero impact on buying a PS5, Switch 2, or first-party Nintendo release today.
Sources: Tom’s Hardware (Sep 28, 2026); VideoCardz (Sep 27, 2026); ProsperoEden project notes as cited by those outlets.