Armored Core: Master of Arena is an action mecha video game for the Sony PlayStation 1. It belongs to the Armored Core series, known for its customizable robot combat. Developed by FromSoftware, this third installment, released in 1999, lets players assume the role of a Raven, a pilot of a powerful mech known as an Armored Core (AC). Players can customize their AC units with various parts and weapons to battle other mechs in arena-style combat and complete missions. Its blend of strategy and real-time action provides a engaging experience for fans of the mech genre.