Unlock Gaia:
Push Down, Down/Left, Left, Square (weak slash) in the title prompt, as the words slide from the sides onto the screen. The word "fight" will be spoken to confirm correct code entry. From the character select screen, hold Up on Eiji and press any attack button. Gaia may now be played.

Unlock Sho:
Enter the Gaia code, and allow the game to go into demonstration mode. Press Start on controller two to return to the title screen. As the words appear, press Left, Right, Left, Right, Left + Square (weak slash) on controller two. The word "fight" will be spoken and the screen text will turn blue to confirm correct code entry. From the character select screen, push Down + Square on Kayin.

Alternate characters:
Push Select after highlighting a fighter on the character selection screen.

Instant secret moves:
Submit the codes above to unlock Gaia and Sho. Wait through the demonstration mode until the title screen becomes visible. When you see the words appear, push Down/Left + Weak Kick on controller one. If you have entered the code correctly the word FANTASTIC will be spoken and the screen text will turn white. To execute the secret moves, change the control type to use L1, L2, R1, and R2 as special buttons (A3 and A4). Note that this only can be done on the easy or very easy difficulty levels. Press L1 + L2 + R1 + R2 + Select during a fight to unleash the character's secret moves.

Instant desperation moves:
Choose a controller configuration (such as A4) that sets all four buttons as special attacks. Whenever your character's energy gauge is flashing, hitting all four top buttons together will execute the character's desperation move.

Configure controls under any difficulty:
Enter the instant secret move code and wait for demonstration mode to start. Press Start to display the title screen. As the words appear, press Left, Right, Left, Right, Left + Square (weak slash) on controller two. The word "fantastic" will be spoken and the screen text will turn yellow to confirm correct code entry. The control configuration may now be changed on any difficulty level.

Fighting Sho:
To fight Sho, the true last boss of the game, finish the game without using a continue on normal difficulty or harder. Sho has Kayin's, Eiji's, and additional moves. The game's real endings will appear after Sho is defeated.

Fighting Gaia:
When the game is finished on a difficulty below NORMAL, Gaia must be defeated. If Gaia is beaten, a "desperation" move will be received. If the game is finished on a difficulty of normal or harder, and Sho is reached by not using any continues and beaten, a secret move will be received. Continues may be used while fighting against Sho.

Change music:
After pausing the game then switch the game CD with an audio CD of your choice. The new music will be played when the game is resumed.