If you haven't already, link your twitch account to your amazon account. twitch & amazon prime members can redeem a free copy of SUPERHOT for the next week or two.
the only down side is that it requires the twitch launcher to be installed, but its not that big of a deal. you can still launch it through steam.
the only down side is that it requires the twitch launcher to be installed, but its not that big of a deal. you can still launch it through steam.