The Ultimate Conflict

Atmosfear: The Ultimate Conflict is a special combined edition of Atmosfear: The Harbingers and Atmosfear: The Soul Rangers. There doesn't seem to be any unique content beyond the packaging and the game even includes both of the original versions of the instruction manuals.

Games in the Nightmare/Atmosfear Series
VHS Series Booster Game Tapes  •  Nightmare/Atmosfear  •  The Harbingers  •  The Mummy  •  The Soul Rangers  •  The Vampire  •  The Witch  •  Zombie PC Series Atmosfear: The Third Dimension  •  Chain Game DVD Series Atmosfear: Khufu the Mummy  •  Atmosfear: The Gatekeeper Mobile Series ATMOSFEAR (2019)