Steam's Input API now offers full PS5 controller support | OC3D News
Yes, The Steam Deck Can Emulate 3DS And WiiU Games
Amazon.com: [USB Version] USB N64 Controller, SAFFUN Wired PC Gamepad [3D Analog Stick] for Windows PC iOS MAC Linux Raspberry Pi Genesis Higan Project 64 Retropie OpenEmu Emulator (Plug & Play) (Grey) :
Steam Deck Emulation Looks Fantastic On Valve's New Handheld
DSX on Steam
3DS emulation is possible with a Steam Deck and a television
Xbox Controller emulate HTC Vive Controller for Virtual Reality Steam VR on PC (Tutorial) - YouTube
What Can Steam Deck Emulate? - GamersDirector
The Steam Controller's troubled trackpads made for a better Steam Deck - The Verge
Using the Steam Controller for Emulators - YouTube
The Steam Deck is already the emulation system of my dreams | PC Gamer
Emulation on Steam Deck with EmuDeck - complete guide