Find a way out: Abode of darkness.

In the secret lab, which was developing a vaccine that could cure humanity of all diseases. But at the final stage, a terrible thing has happened. Everything changed... The cure became a virus that could change itself. Soon, when this virus spread worldwide, humanity was on the brink of extinction. Now the only way out is to find an antivirus to stop this nightmare.... Only hundreds survived... We're running out of time...