Gaming company Valve dropped the news last week that it’s working on a virtual reality platform akin to the Oculus Rift, but it wasn’t clear who was making the system’s hardware. Now we know: HTC on Sunday announced the HTC Vive, a joint HTC-Valve virtual reality headset that’s due out by the end of the year. HTC says the Vive has the “most immersive experience of any VR package,” thanks to a full 360-degree field of vision and 90 frames-per-second video capabilities.