
Carol Dorry - The Player's operator during the Player's time with the Corporation, she currently works for the Chief. Are eventually taken over and absorbed by the Corporation after Father is killed. City Police - A peace-keeping force directly under the order of Father in his fight against the Resistance. Resistance - Oppressed citizens under Father's power, the Resistance strike out against him to relieve themselves of his tyrannical rule. Men of Honor - A large organization of mercenaries, they also handle mercenary contracts. Zodiac - A group of 12 elite pilots that the protagonist encounters as special enemies in Story Missions and as the main antagonists of the order missions after the fall of MoH. They later become the main antagonist group in the game. The Corporation - An enigmatic organisation who first appear as a minor factor in Mission 00. Players are free to play the missions in any order they like, although this will not change the story’s ending. Armored Core V is not a sequel to previous Armored Core series games, but the game features a linear storyline, similar to the earlier games in the series. The Player's AC pilot is a silent protagonist featuring no reaction, but his ambitions can be judged. As the story may confuse players, they can play order and sub missions to better understand their pilot's and comrade's personal boundaries towards hostile enemies, or friendly units. The story is divided into 10 story-based missions depending on the player's choice on which to play first when each story mode is unlocked. After the player has completed the introduction of the game, the game begins with Order missions, and sub missions some of these sub missions are required to be completed in order to continue the process of the game's main story.
The in-game environments of the story missions are based in war torn cities, harbors, deserted ancient facilities, and post-apocalyptic wasteland. Each mission in the story contains voice-over narration that depicts the history involving the events in Armored Core V and how the player character and his group approaches every situation. Gameplay and story are featured differently from all the other games in the Armored Core series.
The game is set in a futuristic post-apocalyptic war in which the Resistance is engaged in an all out war against the so-called "FATHER" and his Corporation.
4 Main differences when compared to previous Armored Core games.