AC customization has been changed from the previous Armored Core title, with a new interface and many new parts not found in Armored Core 4. Online mode returns with a new co-operative mode alongside the player versus mode. Gameplay enhancements included a power increase for both Quick Boost and Over Boost, as well as an auxiliary high-speed booster, which is known as the Vanguard Over Booster (VOB). Another new feature in the game is the Assault Armor attack that becomes available by equipping certain OB parts. This attack uses up all available Primal Armor that the AC has and generates a huge blast consisting of Kojima (highly reactive particles) that destroys or damages all objects surrounding the AC. However, this also leaves the AC vulnerable because not only will the AC lose its PA, it will also not regenerate for a few seconds. Laser blades are deadlier because of the revamped laser blade attack. Once the blade has acquired a lock-on, the AC will instantly rush to the target, tr
