Half-Life Alyx Final Hours — was the first ever AAA-quality game for virtual reality devices, which you can enjoy playing on your PC only with the help of the appropriate device, namely the Steam VR helmet and related gadgets. The plot before us is a spin-off, the events of which unfold in the interval between the actions of the first and second parts. The incident in Black Mesa allowed the Alliance forces to gain a foothold on the planet, as a result of which the surviving people were locked in cities.