Check these gameplay videos some awesome youtubers uploaded ! some are in russian, others in german and english.
https://www.youtube.com/watch?v=u2BCD8DJ0rs
https://www.youtube.com/watch?v=a7VYJtvv73A
https://www.youtube.com/watch?v=7_j1xtEox04&list=UUm3bguUljMFXN7qyxIVatrw
https://www.youtube.com/watch?v=5kUScHZgV0g
https://www.youtube.com/watch?v=7Sclt5EsNtI
https://www.youtube.com/watch?v=RUw-t1qa1ZA
https://www.youtube.com/watch?v=uRFQKlm2Hxw