Users often encounter specific bugs with cracked versions due to how the files were compressed or how the DRM was bypassed:
Various scene groups like RELOADED and CODEX were responsible for the initial releases and subsequent updates. Mortal Kombat X Crack Status
Some "repack" versions (cracked versions with high compression) remove cutscenes to save file size. If your story mode is missing audio or video, you likely downloaded a "stripped" version. Users often encounter specific bugs with cracked versions