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

Successfully complete the game with all standard and bonus characters.

Successfully complete the game, including the bonus stages, with every character.

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.

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.

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.

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

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

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.

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.

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

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

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

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

Pause the game and press X + Y.

Unlock the profiles for each character. Press L + R at the character profiles screen to remove the window, then hold A + B + X + Y to reset the game. Hold X and press Start when demo mode starts. Then, return to the character profiles screen.

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

Each bonus character has the same fighting style as an original character, except for Inferno and Edge Master:

The following art cards will unlock the corresponding secret:

002: New art card gallery
003: Silk road rains mission
005: Harbour of souls mission
006: New art card gallery
010: Maze of the dead mission
014: New art card gallery
015: Character profiles open
018: New art card gallery
019: Colosseum mission
021: Silk road ruins stage
026: Shrine of eurydice mission
027: Palaaea shrine mission
031: Kunpaetku shrine mission
032: Takamatsu castle stage
036: The adrian & fortress mission
037: Money pit mission
039: Xiangua's SP costume
040: Takamatsu castle stage
045: New art card stage
054: Exibition theatre open
055: New art card gallery
056: Hoko temple mission
058: Sophitia's 3P costume
060: The adrian & fortress #2 mission
065: City of water mission
068: Proving grounds (Twilight) stage
070: Maxi's 3P costume
079: Maze of the dead stage
081: Ostrheinsburg castle stage
082: Valentine mansion mission
083: Takamastsu (Winter)stage
084: Water labyrinth mission
090: New art card gallery
093: Harbor of souls #2 mission
094: Voldo's 3P costume
101: Silk road ruins #2 mission
103: New art card gallery
104: Kunpaetku shrine stage
106: Maze of the dead #2 mission
116: Shrine of eurydice #2 mission
117: Palagaea shrine #2 mission
122: Kunpaetku shrine #2 mission
123: Silk road ruins (Night) stage
126: New art card gallery
130: Chaos stage
132: Takamatsu castle #2 mission
134: Money pit #2 mission
137: Taki (exhibition theatre)
143: Hoko temple #2 mission
148: Colosseum #2 mission
149: New art card gallery
155: Voldo (exhibition theatre)
159: New art card gallery
167: Extra survival mode unlocked
169: Hoko temple #2 mission
177: Sophitia (exhibition theatre)
178: Valentine mansion #2 mission
179: Opening direction unlocked
180: The adrian & fortress #2 mission
182: City of water #2 mission
183: Nightmare (exhibition theatre)
188: Water vein #2 mission
189: Astaroth (exhibition theatre)
198: Hwang (exhibition theatre)
199: Proving grounds #2 mission
203: New art card gallery
207: Yoshimitsu (exhibition theatre)
215: Ostrheinsburg castle #2 mission
217: New art card gallery
224: Weapon select feature unlocked
225: Lizard man (exhibition theatre)
230: Siegfried (exhibition theatre)
233: Rock (exhibition theatre)
239: Seung mina (exhibition theatre)
251: Cervantes (exhibition theatre)
256: Edge master (exhibition theatre)
265: Metal model mode unlocked