street fighter iv (series)
ストリートファイターIV ストリートファイター4 ウルトラストリートファイターIV ウルトラストリートファイター4 スパIV スパ4 ストIV スト4 ウルIV ウル4 StreetFighterIV StreetFighter4 SFIV SF4 SSFIV SSF4 USFIV USF4
The fifth mainline Street Fighter fighting game series, first released in 2008. It was the first mainline games to features 3D graphics (as Street Fighter EX is considered non-canon spin-off). The game is set between Street Fighter II and III.