Armored Core: Master of Arena

Armored Core: Master of Arena is a standalone sequel released for the PlayStation in 1999.
It centres on a large, structured Arena mode where players progress by defeating ranked pilots. The game expands mech customisation, offering more parts and finer performance tuning. Story content is minimal and delivered mainly through short mission briefings and arena context. Its emphasis on competitive progression solidified the Arena as a core feature of the Armored Core series.