Ultra Street Fighter II: The Final Challengers is an updated version of the 1991 fighting game Street Fighter II: The World Warrior. Gameplay is based on the Super Street Fighter II Turbo iteration of Street Fighter II, however Ultra Street Fighter II introduces new mechanics like grapple breaks and re-tunes some aspects of the game’s balance. Combo timing has also been adjusted from the original games.
The game is playable in two graphical styles: the classic pixel art graphics of the original game, and updated high definition graphics in the same style as 2008’s Super Street Fighter II Turbo HD Remix. In the classic art style, the game is played in a 4:3 aspect ratio and uses the original arcade soundtrack and voice-acting, while in the updated graphics the game is played in 16:9 widescreen and includes newly-remixed music and the characters’ Japanese voices from the Street Fighter IV series. The game supports all control options on the Nintendo Switch console, including play with a single Joy-Con controller.
Ultra Street Fighter II has a roster of nineteen characters. In addition to all seventeen fighters from Super Turbo (including Akuma, who is no longer a hidden character), two characters–Evil Ryu and Violent Ken–have been added to the game’s roster. Evil Ryu first appeared in the series in 1996’s Street Fighter Alpha 2. He is a version of Street Fighter protagonist Ryu that has succumbed to the evil power Satsui no Hado. Violent Ken makes his official debut in a Street Fighter game, having previously only appeared in the crossover fighting game SNK vs. Capcom: SVC Chaos. He is a version of Ken Masters that has been brainwashed by M. Bison and makes use of Bison’s Psycho Powers.