As the case was with the old Steam Machines, Valve once offered a controller that was aptly named Steam Controller. It featured two circular touchpads, a single thumbstick, and the common ABXY-button scheme.
It released in late 2015 alongside the original Steam Machine. While it was made for use with those Steam Machines, you could use it on PC or a Steam Link without any issue. It wasn't a terrible device, once you got over the awkward...


