Offering completely redesigned Armored Core units, the game features a four-player arena mode, a completely new interface, an AI-controlled backup mech in the one-player missions, the ability to drop weapons to improve speed, and Dolby Surround support.
- All new weapons including left-handed howitzers and flamethrowers, and right-handed energy blades.
- All new parts list completely updated from the previous titles.
- New jettison feature allows pilots to ditch parts in the middle of battle that they no longer need.
- New double arena feature unlocked after first arena is completed
- All new missions.