hardcore difficulty gameplay
https://romeo-wiki.win/index.php/Practical_Biophage_Combat_Tips_for_Everyday_Safety
Hardcore difficulty gameplay means one mistake can undo an hour of progress, forcing you to master every enemy pattern and environmental hazard through sheer repetition. There's no hand-holding, no checkpoints mid-level, and the satisfaction comes from memorizing timings so perfectly that what once seemed impossible becomes muscle memory.