Simulates The Look & Feel Of Old Disk Operating Systems (DOS). Contains Many Easter Eggs, Advancements And An Idle-Game Points System (With A TSR Program That Runs When Started With The "Idle" Command). Includes A Full Custom File-System Format ("MabelFS") That Reads From A Virtual Hard Disk Image. All Save Data Also Lives On The Virtual Disk, So Deleting It Resets The Game. You Can Also Enable "Hacker Mode" With A Special Command, That Turns The Text Green, And Plays A Music Track. With 11 Advancements To Unlock, 2 Unique Game Modes (Idle Points & MabelEdit Text Editor), There's Plenty Of Keyboard-Jabbing To Enjoy.