FF1(nes)
FF2(nes)
FF3(nes)
FF4(Snes/2 in USA)
FF5(Snes)
FF6(Snes/3 in USA)
FF7(PS)
FF8(PS)
FF9(PS)
FFX(PS2)
FFX-2(PS2)
FF11(MMO,PC,PS2,Xbox)
FF12(PS2)
FF13(PS3/Xbox)
and some spin offs in psp,ds, wii and remakes.
Why are some calling FF3USA to be FF4 its FF6