Aya Brea is back. The Neo Mitochondrion Creature infestation has resurfaced and taken on a sinister twist. The outcome of this battle will determine earth's dominant species. Horrifying CG cinemas and sharper graphics bring the shocking new storyline to life as Aya hunts for the source of the outbreak. Fully-upgradable weapons, customizable armor, and a new, real-time battle system will aid in the conflict, along with powerful new Parasite Energy abilities.