This was a prominent digital piracy release group (a subgroup of CODEX). "PLAZA" indicates that this group provided the original crack for the game's digital rights management (DRM) protection, allowing it to run offline without a standard storefront license.
The lifecycle of this specific file structure follows a strict sequence: Mortal Kombat XL-PLAZA Fitgirl Repack
Update your graphics card drivers and install the required DirectX and Visual C++ Redistributable packages located inside the game's _Redist folder. This was a prominent digital piracy release group