Valve Launches New Steam Client Update with All-New Chat, PS3 Controller Support
Steam Deck - PS3 Emulation With RPCS3! How To Guide! - YouTube
The Last of Us finally works on Steam Deck — with worse-than-PS3 level graphics - The Verge
Streaming ANY PS3 game to the Steam Deck : r/SteamDeck
Steam On PS3: It's A Doddle | TheSixthAxis
Damnation (PS3 Game) Sony PlayStation 3 (Powered by Steam. FUELED by Vengeance) - Walmart.com
Keyboard + Cherry Shaft for PC/PS3/PS4/Nintend Switch/Steam Deck/MiSTer/Android | eBay
Steam Deck natively recognizes the PS3 controller. Simply plug it in via USB, wait for Steam OS to recognize it, then unplug USB cable and it will work over Bluetooth without needing to pair it. : r/SteamDeck
7-in-1 Joystick Wired Game Controller for PS3 PS4 Switch NS Steam Android PC Gamepad - Walmart.com