Here is the full list of all 51 Mortal Kombat trophies - there are 38 bronze, 10 silver, 2 gold and 1 platinum.
You've unlocked all Trophies!
Gain Mastery of All Fighters
Win 100 total Versus Matches
Complete 100 Versus Matches
Swipe your way through a set of all-new mini-game challenges
Unlock all Alternate Costumes
Unlock Kenshi, Skarlet, and Rain Alternate Costumes
Complete all 150 bonus tower missions
Complete all Test Your Balance mini-game challenges
Complete 100 bonus tower missions
Win 10 Ranked Online Matches in a row
Complete 50 bonus tower missions
Gain Mastery of 1 Fighter
Get a Flawless Victory in a Versus Match
Perform 8 throws in an Online Ranked Match
Win A Ranked Online Match without jumping
Discover all the deathtraps in Test Your Balance
Get all MK Dragons in Test Your Luck
Unlock Mileena's 3rd Alternate Costume
Complete all Tower missions
Complete all Test Your Might mini-game challenges
Complete all Test Your Sight mini-game challenges
Win a Versus Match
Complete all Test Your Strike mini-game challenges
Discover and fight Hidden Kombatant 1 in Arcade Ladder
Unlock 100% of the Krypt
Discover and fight Hidden Kombatant 3 in Arcade Ladder
Discover and fight Hidden Kombatant 4 in Arcade Ladder
Discover and fight Hidden Kombatant 2 in Arcade Ladder
Complete Arcade Ladder on max difficulty without using a continue
Successfully land every playable fighter's X-Ray
Complete Arcade Ladder with All Fighters
Perform every fighter's hidden finishing move
Perform a Fatality with all playable fighters
Perform every fighter's forward and backwards throws
Unlock 50% of the Krypt
Complete Arcade Ladder without blocking (allowed to continue)
Complete Arcade Ladder with Any Fighter
Win Arcade Tag Ladder with robot Sektor and Cyrax
Perform 1 of each type of "-ality"
Perform any fighter's hidden finishing move
Complete 25 Tower missions
Complete Story Mode 100%
Perform 1 "-ality" using the PlayStation®Vita system touchscreen
Spill 10000 pints of blood
Complete Story Mode 50%
Perform a 10-hit combo with any fighter
Complete Fatality Trainer
Complete Tutorial Mode
Perform and land a Tag Combo
Perform a Fatality!