Fixing the Portal 2 issue re: steam controller camera sensitivity - YouTube
Microsoft Xbox360 Lot! (1 Has Red Ring) +1 controller, 1 Power Supply & Portal 2 | eBay
Amazon.com: HK Studio Magic Portal Decal Sticker Skin to Cover X-Box Series X with No Bubble, Waterproof, Full Protection - Including 2 Controller Skins and Console Skin : Video Games
Portal 2 Patch Tweaks Co-op, Adds Split-Screen Via Remote Play