sausage88's port runs the Source engine and Valve's Linux game code on a jailbroken PS4, at 60 fps through most of Half-Life 2. You need the games on Steam and a PC or Mac to install them.
Orange Box SP
The open source project recompiles the Switch game to x86-64 with Vulkan rendering, starting from your own copy. It's playable, with visual bugs and crashes still expected, and has reached version 0.3.13.
TotK Recomp 0.3.13
TriAevum, the native recompilation of Zelda: Ocarina of Time 3D that started on PC, now has a port for Switch on custom firmware. Version 0.1.0 runs on a Switch Lite, though busy areas slow down at stock clocks.
TriAevum 0.1.0
TheRealRetro has ported mupen64plus-core 2.6.0 to the PS5 as a home menu app, with a dynamic recompiler, DualSense rumble and save states. Version 0.7.5 adds cheat search.
Mupen64Plus 0.7.5
The Nintendo 64 Battlezone recompilation has a second beta with bloom, separate texture and HUD filters, and a cheats tab. It runs on Windows, Linux and Steam Deck, and you need your own copy of the game.
N64Recomp
An open GitHub project translates the Switch 1.4.1 code into a Windows executable with its own runtime and Vulkan rendering, with no emulator. It's at an early stage and needs your own copy of the game.
smo-recomp