The battle system in the game is a new evolution of the "ATB Kai" system that was created by Takatsugu Nakazawa for Final Fantasy X-2, and later refined in Crisis Core -Final Fantasy VII-. Unlike Crisis Core, Type-0's combat is party-based. Instead of navigating through menus, actions are mapped directly to the face buttons for quick access. Nakazawa says he wants it to be the fastest version of ATB ever created. It also supports both Ad-hoc and Infrastructure multiplayer for up to three players. This is manifested not in full-scale multiplayer, but as an emergency backup when the player's party is about to be wiped out. The player will play in single-player with a party of three, and when a party member dies, they will be switched out for another. In the emergency of loss of nearly all characters, the player will be able to call in aid from another player for a duration of three minutes, with bonus time granted through good play. In some case the victory can be decided in other ways like defeating the enemy leader, which will trigger the surrender of its minions.
Queen and Nine fighting an enemy leader.
Soldiers surrendering after the defeat of their leader.
Like Final Fantasy XII, the character has the option to choose the leader of their party, but it has differed by allowing them to change party members during actual gameplay. The characters who lead the party are the ones playable. Summons also appear in the game and play a role in the characters' growth, and they are said to be controllable as well, in the vein of Final Fantasy X's Aeons.
The structure of the game is mission-based. There are also supposed to be sub-objectives in battle to strive for. It is shown on the TGS 2010 trailer that the game will have a world map, and the player can ride a chocobo or fly an airship and there will be no random encounters and the monsters will roam around the world map. This new trailer has also shown another change of the interface during gameplay. The trailer also shows that blood is drawn from an enemy whenever it is attacked. Based on the trailer, it may be possible for players to determine the weak point of the enemies, allowing them to deal a deathblow which would result in an instant death. As shown in the trailer, Queen and Rem were able to inflict a deathblow to their enemies when the crosshair is red ( possibly the sign that reveals an enemy's weak point ).
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