Leak: Valve is making a Steam Controller 2 and a ‘Roy’ for its Deckard The original Steam Controller, and a prototype that preceded it. | Image: Sean Hollister / The VergeTwo years ago, Valve told The Verge it wanted a successor to its cult classic Steam Controller, whose incredibly customizable buttons and touchpads paved the way for the Steam Deck handheld PC. Now, Valve watcher Brad Lynch claims a Steam Controll…