Get 5,000 taps total in touch fights to unlock OMG mode, which allows you to set the breast motion.
Successfully complete the indicated task to unlock a costume for the corresponding character:
Christie: Play 100 ranked mode matches. Alternately, successfully complete Legendary Time Attack mode offline using no continues.
Lisa: Play 200 ranked mode matches. Alternately, get 100 wins in Legendary Survival mode.
Tina: Play 50 ranked mode matches. Alternately, successfully complete Legendary Arcade mode offline using no continues.
Successfully complete one of the following tasks to get a trophy:
DOA5 PLUS Master (Platinum): Unlock all trophies.
Fighting Entertainment (Bronze): Have your first fight outside of Training Plus or Versus modes.
Rival Rumble (Bronze): Fight online 10 times.
Rival Rampage (Silver): Fight online 100 times.
DOA5 PLUS Is My Life (Gold): Fight online 500 times.
Fighting For Real (Bronze): Play a Ranked match.
Jump In (Bronze): Play a Simple match.
Keep Your Enemies Close (Bronze): Played in ad hoc mode.
Gesundheit! (Bronze): Trigger the Special Danger Zone in The Show.
Tango Kilo November (Bronze): Trigger the Special Danger Zone in Hot Zone.
Overentitled (Silver): Earned 100 titles.
Arcade Cleared (Bronze): Clear 1 course in Arcade mode.
Arcade Master (Silver): Clear all courses in Arcade mode.
Time Attack Cleared (Bronze): Clear 1 course in Time Attack mode.
Time Attack Master (Silver): Clear all courses in Time Attack mode.
Survival Cleared (Bronze): Clear 1 course in Survival mode.
Survival Master (Silver): Clear all courses in Survival mode.
Fledgling Fighter (Bronze): Fight 10 Versus matches.
The Fight Never Ends (Silver): Fight 100 Versus matches.
Training Hard (Bronze): Play Free Training mode for 1 hour.
Exercise Newbie (Silver): Perform all moves in Command Training.
Your Education Begins Now (Bronze): Played in Tutorial.
A Fighter is Born (Silver): Completed all lessons in Tutorial.
Challenger Appears! (Bronze): Played in Combo Challenge.
Unchallenged Champion (Gold): Completed all lessons for all characters in Combo Challenge.
Can't Touch This (Bronze): Played a Touch Fight.
On the Edge of Your Seat (Bronze): Play Spectator mode.
Fighter, Know Thyself (Bronze): View your results in Fight Record.
Say Cheese! (Bronze): Take a photo.
How Do I Fight? (Bronze): Display the Move List.
How Do I Fight Like a Pro? (Bronze): Display the Move Details.
A Fight to Remember (Bronze): Save a replay.
Turn it Up (Bronze): Changed the background music settings.
Who's Got Popcorn? (Bronze): Viewed a movie in the Movie Theater.
Safety First (Bronze): Turn Danger Zones off on the Stage Select screen.
Fighting in Style (Gold): Unlock all costumes.
Blow 'Em Away (Bronze): Successfully land a Power Blow.
Down You Go (Bronze): Successfully attack during a Cliffhanger.
Cliffhanger Comeback (Bronze): Successfully block an opponent's attack during a Cliffhanger.
I Read Every Move (Bronze): Win without taking any damage.
Failure Teaches Success (Bronze): See all characters' losing poses.
Insomniac (Bronze): Watch all movies in Story mode without skipping any of them.
Additionally, there are four secret trophies:
The Curtain Rises (Bronze): Clear the Prologue in Story mode.
Ninja Battle (Bronze): Clear "Kasumi: Part 2" in Story mode.
...And Then THIS Happened! (Silver): Clear all chapters in Story mode.
OMG (Silver): Unlocked the "OMG" breast motion setting.