Portal 2 on PS3 was the only Valve game on console to be cross play and cross progressions with PC via logging into steam on your PS3 and you'd get steam achievements +
Amazon.com: Transparent Game Controller for iPhone, iPad, iOS, Android, Tablet, PC, N-Switch, PS5, PS4, PS3, Steam Deck, Wireless Gamepad Joystick with Phone Holder, Back Button, Turbo, RGB Light -Direct Play : Video
Steam for PS3 Portal 2 detailed - GameSpot
Steam Deck - How To Add PS3 (RPCS3) To EmulationStation - YouTube
How to Play PlayStation 3 Games on Steam Deck - YouTube
Amazon.com: EasySMX PS3 Controller, Upgrade Wireless Gamepad Remote for PS3, Windows PC/Laptop, Nvidia Shield, Switch, Android TV/Mobile,Steam Deck-with Stable Connection,Plug and Play, 14 Hours Battery-Black : Video Games
The 10 Best PS3 Games of All Time - IGN
Ayaneo 2 review: A more premium (and pricier) take on the Steam Deck | Engadget
How To Download Steam Games On Your IPhone Or IPad – GetNotifyR
How to connect a PS3 controller to a PC | Steam, Windows 7 & 10
I still can't believe I can play PS3 on the go : r/SteamDeck
How To Play PS3 Games On Steam Deck Using EmuDeck & RPCS3 : r/valve
50 Best PS3 Games Of All Time Ranked - The Best PS3 Games Money Can Buy - PlayStation Universe
/cdn.vox-cdn.com/uploads/chorus_asset/file/24348203/Steam_Deck_PlayStation_Plus_cover.jpeg "How to play Play PlayStation Plus games on your Steam Deck - Polygon")
How to play Play PlayStation Plus games on your Steam Deck - Polygon
![How to play Steam games with a PlayStation/USB controller [PS2/PS3/PS4/USB] - YouTube](https://i.ytimg.com/vi/MuoTb8mzznc/maxresdefault.jpg "How to play Steam games with a PlayStation/USB controller [PS2/PS3/PS4/USB] - YouTube")
How to play Steam games with a PlayStation/USB controller [PS2/PS3/PS4/USB] - YouTube
Ultimate Guide: Play PS3 Games on Steam Deck - RPCS3 Emulator - YouTube
![Amazon.com: BACKBONE One Mobile Gaming Controller for iPhone [PlayStation Edition] - Enhance Your Gaming Experience on iPhone - Play Xbox, PlayStation, Call of Duty, Roblox, Minecraft, Genshin Impact & More : Cell](https://m.media-amazon.com/images/I/61hB8jmc4tL._AC_UF1000,1000_QL80_.jpg "Amazon.com: BACKBONE One Mobile Gaming Controller for iPhone [PlayStation Edition] - Enhance Your Gaming Experience on iPhone - Play Xbox, PlayStation, Call of Duty, Roblox, Minecraft, Genshin Impact & More : Cell")
Amazon.com: BACKBONE One Mobile Gaming Controller for iPhone [PlayStation Edition] - Enhance Your Gaming Experience on iPhone - Play Xbox, PlayStation, Call of Duty, Roblox, Minecraft, Genshin Impact & More : Cell
:no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24348095/Steam_Deck_PlayStation_Plus_compatibility.png "How to play Play PlayStation Plus games on your Steam Deck - Polygon")
How to play Play PlayStation Plus games on your Steam Deck - Polygon
Steam Deck - PS3 Emulation With RPCS3! How To Guide! - YouTube
I just got a Steam Deck. Can play 99% of everything I've ever loved where ever I want. But man…just something about a PS3. Moved this back to the desk today. Until
How To Play PS3 Games On Steam Deck - RPCS3 Emulation Setup Tutorial (Demon's Souls) - YouTube
I played this game on PS3, PS4, NS Switch, Laptop, and now it's the first game I'll play on Steam Deck : r/SteamDeck
PS3 Emulation Showcase on the Steam Deck in 7 Games : r/SteamDeck
