In this game the player can access several areas of the 13th Hierarchical City of Kagutsuchi. In Kagutsuchi Port, player can fight people, or support other players with special Support System. While participating in battles, player gains experience, which unlocks new characters.
A part of gameplay is item collecting. Items drop from defeated characters, and are references to the characters and BlazBlue Radio.
The game also has a Challenge Mode, where player fights with a set of computer-controlled characters. After clearing this mode, an Unlimited character will appear in Sheol Gate. Defeating this character will give the player a large amount of experience and rare items.