: This likely refers to the release group or the individual who packaged the file. In the piracy/emulation world, "tags" like these are a badge of pride, ensuring credit for the work of cracking or compressing the file.
While there isn't one singular "legend" documented in mainstream media, here is the "story" behind why such a file exists and what it likely contains: The Anatomy of the File To understand the story, you have to decode the name: _p_s_n_Dol-dz_NaTL2_20.rar
: This is the core of the story. It likely refers to "Night at the Library 2" or a similar fan-made project or mod for a game like Fallout 4 or Skyrim , which are famous for "NaTL" (Night at the Library) style mods. : This likely refers to the release group