When the Steam Frame was announced, the idea that a high-end VR showcase like Half-Life: Alyx would run natively on a modestly powerful, ARM-based headset seemed far-fetched - and Valve set expectations accordingly.. Yet, as Valve engineers used Alyx as a test-bed for standalone games on the headset, progress came surprisingly swiftly, and Alyx is shipping alongside Frame as a fully native game on the system. ... Alyx renders at 36fps on Frame and is re-projected upward, but the technique is more sophisticated than a simple timewarp. "We're running at 36fps, but we're using depth reprojection," Ashton says. Using a...