The latest Steam beta update lets you use Xbox 360 & One controllers with any game - MSPoweruser
Amazon.com: AceGamer Wired PC Controller for Xbox 360, Game Controller for Steam PC 360 with Dual-Vibration Compatible with Xbox 360 Slim and PC Windows 7,8,10,11 : Video Games
AceGamer Wired PC Controller for Xbox 360, Game Controller for Steam PC Xbox 360 with Dual-Vibration Compatible with Xbox 360 Slim and PC Windows 7,8,10,11 - Newegg.com
Video: Here's A Look At Xbox 360 Emulation On The Steam Deck | Pure Xbox
Impressive Xenia Xbox 360 Emulation on Steam Deck | Boosted Performance — Eightify