Change/remove Female Fighter outfits:
While at the character selection screen, press SQUARE or TRIANGLE instead of pressing the "X" button when choosing a female fighter. You will hear a different sound upon selecting a character. This will change the color of their bra or panties-- or even remove an entire undergarment like Christie's bra on her default costume.
Complete Story mode to unlock the Lab stage.
Unlock all Extra Costumes:
Complete Arcade Mode on True Legend with a character to unlock their extra outfit. (Continues allowed).
Complete command training in training mode with every character.
Unlock the following characters by performing the corresponding tasks:
CHARACTER - HOW TO UNLOCK
Akira Yuki - Defeat him in Story mode.
Alpha-152 - Earn 300 titles.
Gen Fu - Complete Eliot's Story mode chapter.
Pai Chan - Earn 100 titles.
Sarah Bryant - Defeat her in Story mode.
Change character hair style, accessory and panty:
Change the following by performing the corresponding tasks at the costume selection screen:
Press and hold L1/R1 with any Hold/Punch/Kick button for different hair style
Press and hold LEFT/RIGHT with any Hold/Punch/Kick button
The Hold/Punch/Kick each correspond to different panty.
Unlock the following courses by performing the corresponding tasks:
COURSE - HOW TO UNLOCK
Legend Courses - Clear the Master course in Arcade mode, survival mode, or time attack modes.
Master Courses - Clear the True Fighter course in Arcade mode, survival mode, or time attack mode.
True Fighter Courses - Clear the champ course in Arcade mode, survival, or time attack mode.
Unlock the following costumes by performing the corresponding tasks:
COSTUME - HOW TO UNLOCK
Christie Swimsuit - Clear the Legend course (solo match) in time attack mode with Christie without using a continue.
Kasumi Black Suit - Clear the True Kasumi chapter in Story Mode.
Kasumi Kimono - Clear the Kasumi vs. Christie battle in the True Kasumi chapter of story mode.
Lisa Swimsuit - Clear the Legend course (solo match) in survival mode with Lisa.
Tina Swimsuit - Clear the Legend course (solo match) in Arcade mode with Tina, without using a continue.
A Fight to Remember - Save a replay.
Ahhh, Memories - View your photos in the Album.
Akira Yuki - Unlock Akira.
Arcade Cleared - Clear 1 course in Arcade mode.
Blow 'Em Away - Successfully land a Power Blow.
Cliffhanger Comeback - Successfully block an opponent's attack during a Cliffhanger.
Down You Go - Successfully attack during a Cliffhanger.
Exercise Newbie - Perform all moves for all characters in Command Training.
Failure Teaches Success - See all characters' losing poses.
Fighter, Know Thyself - View your results in Fight Record.
Fighting Entertainment - Have your first fight outside of Training or Versus modes.
Fighting For Real - Play a Ranked match.
First Tag Team - Play Tag Battle.
First Throwdown - Send a Throwdown Challenge to someone in your Fighter List.
Fledgling Fighter - Fight 10 Versus matches.
Gesundheit! - Trigger the Special Danger Zone in The Show.
Get out there and Fight! - Play a Lobby match.
How Do I Fight Like a Pro? - Display the Move Details.
How Do I Fight? - Display the Move List.
I Read Every Move - Win without taking any damage.
Insomniac - Watch all movies in Story mode without skipping any of them.
Jump In - Play a Simple match.
My Fight, My Rules - Create your own online lobby.
Ninja Battle - Clear "Kasumi: Part 2" in Story mode.
On the Edge of Your Seat - Play Spectator mode.
Rival Rumble - Fight online 10 times.
Rivals - Register 5 fighters in your Fight List.
Safety First - Turn Danger Zones off on the Stage Select screen.
Sarah Bryant - Unlock Sarah.
Say Cheese! - Take a photo in Spectator mode.
Survival Cleared - Clear 1 course in Survival mode.
Tango Kilo November - Trigger the Special Danger Zone in Hot Zone.
The Curtain Rises - Clear the Prologue in Story mode.
Time Attack Cleared - Clear 1 course in Time Attack mode.
Training Hard - Play Training mode for 1 hour.
You Asked for It! - Fight 10 people through invitations.
...And Then THIS Happened! - Clear all chapters in Story mode.
Anybody, Anytime, Anywhere - Fight 50 people through invitations.
Arcade Master - Clear all courses in Arcade mode.
Rival Rampage - Fight online 100 times.
Survival Master - Clear all courses in Survival mode.
The Fight Never Ends - Fight 100 Versus matches.
The Power of Two - Perform 50 kinds of character-specific tag throws.
Time Attack Master - Clear all courses in Time Attack mode.
DOA5 Is My Life - Fight online 1000 times.
Fighting in Style - Unlock all costumes.
The Ultimate Hyper Clone - Unlock Alpha-152.
DOA5 Master - Earn all Bronze, Silver, and Gold trophies.