Romaji: Sūpā Robotto Taisen Aaru) is a game for the Game Boy Advance and is part of the Super Robot Wars franchise. It is the second game for the system, preceded by Super Robot Wars A.
Depending on the player's choice, the game revolves around either Raul Gureden or Fiona Gureden, the pilot of the prototype rescue unit Excellence, alongside co-workers Raji Montoya and Mizuho Saiki. Equipped with the Time Flow Engine into the Excellence, the three ally with the Nadesico B or the Nahel Argama, hoping to promote their machine for funding towards further development. However, a mysterious being named Duminuss wishes to use the Time Flow Engine for its own purposes. Things take a turn for the worse when Raul/Fiona are accidentally sent to the past, where they have to make a decision to let history flow as it is or attempt to correct the events leading to the present, in order for a better future.
