Valve said on Tuesday the $99 PC gamepad sold out within an hour of Monday's launch after heavy traffic strained Steam.
The company said it is working to get more units in stock and will share an expected timeline soon, while urging buyers not to pay inflated resale prices.
The rapid sell-out suggests Valve underestimated demand for its redesigned controller, which reviewers praised for ergonomics and Steam integration despite limited appeal outside Steam.
Is the sell-out Steam Controller the key to Valve's long-term plan to dethrone Windows for PC gaming?
How did Valve dodge a global supply crisis to launch its hit controller while rivals face soaring costs?
With drift-proof sticks for $99, has Valve's new controller just made all other premium gamepads obsolete?