Bonus characters and stages:
Successfully complete the game with each of the standard characters to unlock a new
character or stage. The final character to be unlocked is Edge Master.

Fight as Edge Master:
Unlock all characters including Cervantes, then win with all remaining characters (once
per character). 

Fight 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.

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

Alternate costumes:
Press Y while choosing a fighter at the character selection screen. 

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. 

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. An "Extra Survival" mode will also be unlocked at
the main screen.

Control replay speed:
Get to a replay in practice mode. Hold R for a faster replay, or L for a slower replay.

Extra weapons:
Unlock Edge Master and successfully complete all mission battles. Hold L when
selecting a fighter on the character selection screen for extra weapons.

Weapon select:
Unlock Edge Master as a fighter and successfully complete all missions in mission
battle mode. Press L at the character selection screen for player two's weapon or L(2)
for Edge Master's weapon. 

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.

Full character profile screen:
Press L + R at the character profiles screen to remove the window on that screen. 

Secret character styles:
Each secret character has the same style as a original character, except for Inferno
and Edge Master. 

Secret Character  	Style of  
Hwang 			Xianghua 
Yoshimistsu 		Misturugi 
Lizard Man 			Sophitia 
Sigfried 			Nightmare 
Seung Mina 			Kilik 
Cervates 			Taki 
Rock 				Astaroth 

Dojo mission:
Successfully complete all the missions and the extra missions that appear after the
Chaos stages. Move to the eastern-most map at the mission select screen 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. Move to the western-most map at the mission select screen and place
the pointer between Germany and Russia. Move over this area until the mission
confirmation sound is heard. 

Soul Edge's Eye:
Soul Edge's eye moves and blinks during game play even when paused.

Art card secrets:
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 

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

Fight as Unknown Soul (Japanese version): 
Unlock Edge Master. Then, hold R when selecting a fighter at the character selection
screen to choose the "see through" Unknown Soul version.

English character profiles (Japanese version): 
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. 

Alternate underwear color for Sophitia (Japanese version): 
Highlight Sophitia and continuously press one of the following buttons or combinations
at the character selection screen until she performs her pre-battle pose: 

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

Transparent characters (Japanese version): 
Unlock Edge Master as a character. Then, hold L while selecting a fighter at the
character selection screen.