OPERATION CONSOLE - ACTIVE
EASY (⭐-⭐⭐): No time limits - practice mode!
STANDARD (⭐⭐-⭐⭐⭐⭐⭐): 75s-120s per puzzle
EXTREME (⭐⭐⭐⭐⭐⭐+): 35s-60s per puzzle
Caesar: Shift alphabet | Binary: 8 bits=1 char | Hex: Base-16