At my desk, with the PC buzzing beside me, my games are one of my few comforts. They are rarely comfortable. My desk is a cell where I must hunch over a mouse and keyboard. Valve’s $100 Steam Controller changed how I game on PC by letting me play my favorite RTS and CRPGs while reclining in my best impression of a Roman-era hedonist.

Valve's Steam Controller will hit the market on Monday, May 4, for a going price of $99 in the United States.

We discussed which games they used to test out the new device, why the Puck is still there, and what the hardware team has learned over the years of making physical products like the Valve Index and S...