Bonus characters and stages  -  Successfully complete the game with each of the standard characters to unlock a new character or stage.

Play as Edge Master  -  Successfully complete the game with all standard and bonus characters.

Arcade mode (Japanese version)  -  Successfully complete the game, including the bonus stages, with every character.

Mission battle bonuses  -  Successfully complete all the missions to unlock the hidden art in the museum and a third costume for Sophitia, Voldo, Siegfried, Maxi, and Xianghua by pressing Y + A while selecting one of those characters. Completing all mission battles will unlock various museum options such as exhibition theater, opening direction (change the introduction), and character profiles. Additionally, an "Extra Survival" mode will also be unlocked at the main screen.

Dojo mission  -  Successfully complete all the missions and the extra missions that appear after the Chaos stages. Then at the mission selection screen, move to the eastern-most map and place the pointer over Korea. Move over this area until the mission confirmation sound is heard.

Swamp mission  -  Successfully complete all the missions and the extra missions that appear after the Chaos stages. Then at the mission selection screen, move to the western-most map and place the pointer between Germany and Russia. Move over this area until the mission confirmation sound is heard.

Metallic characters  -  Begin a game in mission battle mode and fight until the "Metal Mode" option is unlocked. Then, hold R while selecting a fighter.

Extra weapons  -  Unlock Edge Master and successfully complete all mission battles. Then at the character selection screen, hold L while selecting a character for extra weapons.

Play as Inferno  -  Unlock all the characters, stages, and extra bonuses that are awarded by playing the game in arcade mode and mission mode. Get every picture in the mission mode. When this is accomplished, return to the arcade mode, and select Xianghua and her third outfit by pressing Y + A. If desired, the game may be set to one round and the easy difficulty. Play through and complete the game with her. After the credits complete, a new soul (Inferno) will appear to the right of Edge Master. He randomly switches weapons like Edge Master, but has some moves of his own that can be done with any weapon.

Alternate title screen  -  Successfully complete all missions in mission battle mode for a golden title screen. Unlock Inferno and all 338 pictures in the Art Gallery for a monochrome title screen.

Alternate costumes  -  At the character selection screen, press Y to alternate all characters costumes. Press Y again to change all characters costumes back to their original.

Alternate Sophitia's underwear color  -  At the character selection screen, highlight Sophitia and continuously press one of the following buttons or combinations until she performs her pre-battle pose:

X
Y
B
X + B
X + Y
Y + B
X + Y + B

Full character profile screen  -  At the character profiles screen, press L + R to remove the window on that screen.

Change replay focus  -  Normally, the replay camera will focus on the winner of the match. Press B to change the focus to the losing character.

Select victory pose  -  Win a match, then press X, Y, or B during the replay to select one of the victory poses.