How to customize controls on the Steam Deck | Digital Trends
Portal 2 - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game
I'm not sure what's causing this, but when using my Xbox One controller in Portal 2, the sensitivity on the right analog stick is SUPER slow, and there are no sensitivity settings.
Never linger in front of a door: Interface lessons in Borderlands 2 | erratic play
What game controller for Portal 2? | MacRumors Forums
Portal/Controls — StrategyWiki, the video game walkthrough and strategy guide wiki
Steam Community :: Guide :: Create a Portal 2 mod
Tweaking4All.com - MacOS X - How to use a XBox 360 Controller on Mac