It is the sequel to Gundam Seed: Rengou vs. Z.A.F.T. with a slightly revised fighting system, new units and characters, and updates to old characters. Playable characters and units are taken from Gundam SEED as well its sequel Gundam SEED Destiny. Whereas the console version of its prequel had only a few units and playable characters from the beginning of Gundam SEED Destiny such as the Impulse Gundam, RvZ2 includes characters and units from the entire series, such as the Strike Freedom Gundam and Infinite Justice Gundam.