A simulation RPG that brings together all the original Super Robot characters from the past is now available on PS2. Compatible Kaiser, which is a completely new entry in the entire Super Robot series, and many other aircraft have appeared. It is equipped with the ``Twin Battle System'', the first system in the series that allows two aircraft to move and fight in pairs, as well as a ``Pilot Training System'', ``Aircraft Replacement System'', and the ``Weapon Select System'' unique to the OG series. Scenarios between OG and OG2 in the GBA version, as well as scenarios after OG2, have been added, making it a system that can be enjoyed by both beginners and serious fans of the series.
