Sony only certifies PlayStation VR games if they don’t drop below 60fps

Developers who want to release games for the PlayStation VR must ensure that the frame rate will amount to a constant 60fps. During the Game Developers Conference, Sony announced that games that don’t meet this requirement will not get PSVR certificate.

I know I’m going to get flagged for this,” Norden said to a packed crowd of hundreds of eager faces, “but there’s no excuse for not hitting framerate. … You cannot drop below 60 fps. Period. Ever. I can’t stress that enough.

Norden also indicated that Sony is willing to play games from developers and look at ‘technical correctness’. Consideration will be given if a game generates, for example, nausea, where problems occur with the frame rate and whether glitches occur when tracking the player. This process should take place early in the development phase so that development studios can then adjust the constraints to meet the requirements of Sony. Norden says that it is not required to let Sony watch the game, but it strongly recommended. To be able to release a game for the PlayStation VR headset Sony will have to approve the game.

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PlayStation VR headset displays images with a refresh rate of 90 or 120Hz. To display the games that run at 60fps on the PlayStation 4 at 120Hz display, Sony is using reprojection. This is a technique in which an extra frame is calculated on the basis of the previous frame. This is where interpolation takes into account the movements of the player. This should give the illusion of a higher frame rate. Even in games that run natively at 90fps or 120fps, Sony will use reprojection.

The technique is different from VR glasses for PC. Both the Oculus Rift as HTC Vive have a refresh rate of 90Hz, but games must thereby actually run on the frame rate for an optimum experience.

Sony announced during GDC that the PlayStation VR headset comes on the market in October and will cost $399. To play with the headset, a PlayStation Camera is also required, which costs about $60.

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