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I can't understand why the developers have removed the OpenVR implementation from the game.
There is no need from Steam to use OpenVR. MAny games in GOG use it, without problems.

Please, enable VR in GOG version.
Post edited June 26, 2021 by Cananas
Yes, please bring it back.

While SteamVR is their prioprietiary implementation, their standardized it as OpenVR.