Armored Core
A second stand-alone expansion, "", was released on February 4, 1999 and was the final game released for the original PlayStation. It concluded the core arc of the original "Armored Core" and greatly expanded on the Arena mechanic introduced in "Project Phantasma". Like its predecessor, "Master of Arena" allowed players to import save files from both the original "Armored Core" and "Project Phantasma" to continue their progress.