VRFocus - Linux users have reason to celebrate today as virtual reality (VR) compatible online combat title War Thunder has arrived on the operating system. As with the PC, Mac and PlayStation 4 versions of the title, it's free to download on the new platform. It should also feature full support for the Oculus Rift head-mounted display (HMD) as it does on PC and Mac. The title is only supported on 64-bit systems. It arrives as version 1.43, which was integrated recently.