At the Mode Select menu, highlight Practice and press Select, Up, Up, Right, Up, Right, Up, Select. The words "Here Comes a New Game Mode" should appear at the bottom of the screen. Enter the Practice mode and you'll find that there's a new option, Bonus Game.
Hidden Fighters and Play with Cracker Jackšs Aluminum Bat
Hidden Fighters: Highlight Practice mode in the Options menu and press Select, Up, Right, Down, Right, and Select. If you entered the cheat correctly, the words "Here Comes a New Challenger" will appear at the bottom of the screen. Now you can play as Evil Ryu, Evil Hokuto, Cycloid Beta, and Cycloid Gamma in any game mode.
Play with Cracker Jack's Aluminum Bat: Select Cracker Jack, then immediately simultaneously press and hold Up, Square, Cir, R1, and R2 until the fight starts. When the match begins, Cracker Jack fights with an aluminum bat