Armored Core 2 is a 2000 third-person shooter mecha video game developed by FromSoftware for the PlayStation 2. It is the fourth entry in the Armored Core series and an indirect sequel to Armored Core: Master of Arena. In North America, Armored Core 2 was a launch title for the PlayStation 2. A direct sequel, Armored Core 2: Another Age, was released in 2001 for the PlayStation 2.

Armored Core: Master of Arena is a 1999 third-person shooter mecha video game developed by FromSoftware for the PlayStation. Master of Arena is the third entry in the Armored Core series and a direct sequel to Armored Core: Project Phantasma. It is the final game in the original Armored Core trilogy. The game was not released in Europe. An indirect sequel, Armored Core 2, was released on August 3, 2000, for the PlayStation 2.