While Street Fighter IV features fighters and backgrounds rendered in 3D, the gameplay remains on a traditional 2D plane. Producer Yoshinori Ono has stated that he wanted to keep the game closer to Street Fighter II than its sequels, and as such the "parry system" from Street Fighter III has been dropped. A new system called "Focus Attacks" ("Saving Attack" for the Japanese version) has been introduced, as well as Ultra moves
PC System Analysis For Streetfighter IV Requirements
Your PC will need a graphics card thats as powerful as a GeForce 8800 GTS/Radeon X1900 Series and it should be paired with either a Athlon 64 X2 Dual Core 4200+/Core 2 Duo E6400 2.13GHz CPU to match the Streetfighter IV recommended system specs. This PC setup will deliver 60 Frames Per Second on High graphics settings on 1080p monitor resolution. You should also have 2 GB system memory. You should also have 1 GB system memory for min specs. You will require a DirectX 9 GPU. This means you will require a 12 year old PC to play smoothly.