How do I do local coop with one controller and keyboard/mouse? : r/Portal
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
Portal 2 PC controller support | ResetEra
Free Rocket League and Portal 2 If You Preorder Any Steam Hardware - GameSpot
Latest Portal 2 Update Adds Local Co-op, Controller/ Android & iOS Remote Play Together & More
Razer Hydra PC Motion Sensing Controller w/ Portal 2 Game
A concept for Portal 2 on the Switch : r/Portal
Portal 2 PC controller support | ResetEra
Portal 2 and Civ V demoed with the Steam Controller – Destructoid
Steam Refund Flaw Used to Get Rocket League And Portal 2 For Free | eTeknix
Portal 2 PC controller support | ResetEra
Fixing the Portal 2 issue re: steam controller camera sensitivity : r/SteamController
IMPORTANT ADVISE : Try Portal 2 once again with a Dual Sense. You won't regret it! PROMISE 🤞 : r/Portal
Valve Updates Portal 2 UI Ready for Steam Deck
Amazon.com: Wireless Controller for Xbox 360, 2.4GHZ Gamepad Joystick Controller Remote for PC Windows 7,8,10 with Receiver Adapter, White : Video Games
I designed this portal gun themed Xbox controller and I want it so bad. : r/xbox