HELP, strange packing content

[Baddo]

Hi everyone,

I find myself in a crappy situation, check it out this is the content of a .rar archieve for Risen:

then I mount one of these files since it's the only one detected by DT:

and what I get in the virtual drive is this:

and from here I have no idea to go on. None of these files will work or even o something. Please help!
Thank you very much

[Terramex]

Just buy the game and you won't have issues.

[Qwynbleid]

Just buy the game and you won't have issues.

Not necessarily but still, go buy the game and if you have issues then you can ask there customer service