There is the traditional Arcade mode, VS. mode, and a CPU VS. mode, in which players pick any one of the 19 fighters, then choose the CPU opponent from any of the 19 fighters, along with any of the 12 stages to battle on.
There is the traditional Arcade mode. The traditional Arcade mode is VS. mode. A CPU VS. mode then choose the CPU opponent from any of the 19 fighters. This is along with any of the 12 stages to battle on. Players pick any one of the 19 fighters in A CPU VS. mode.