Rockman.EXE 4.5 Real Operation (ロックマンエグゼ4.5 リアルオペレーション Rockman.EXE 4.5 Real Operation?) is a spin-off game from the Mega Man Battle Network series that was released only in Japan for the Game Boy Advance. Players can control one of the many different NetNavis from previous Mega Man Battle Network games to compete in NetBattle tournaments. Characters include Rockman (MegaMan) himself and all of the other "Soul Unison" Navis from the fourth game of the series. A new Navi not included in the fourth game, Starman, is also available.