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It turns out that on the roof of an abandoned high-rise a maniac has installed a nuclear warhead with a timer on it. Infiltrate the courtyard and prevent a nuclear attack?
![Mission Sigma [VR]](https://res.cloudinary.com/mortyapp/image/upload/c_fill,h_640,w_964/v1/store/s/01dd72e8-fbaf-4e55-badd-2f84d56073d4.jpg?_a=DATAdtfiZAA0)