Here is the full list of all 50 Tekken Tag Tournament 2 trophies - there are 36 bronze, 11 silver, 2 gold and 1 platinum.
You earned everything.
You earned 1st dan in Online Mode.
You unlocked all the content in Fight Lab.
You became Tekken Lord in Offline Mode.
You unlocked 40 characters' ending movies.
You earned Vanquisher in Offline Mode.
You won a player match in Online Mode.
You fought 3 times in Online Mode.
You switched places with your partner 765 times.
You cleared Stage 5 in Fight Lab.
You cleared Stage 4 in Fight Lab.
You cleared Stage 3 in Fight Lab.
You cleared Stage 2 in Fight Lab.
You earned 3 Lucky Boxes.
You won a ranked match in Online Mode.
You defeated 30 ghosts.
You cleared Offline Mode Time Attack within 20 minutes.
You earned over 10,000,000G total.
You won 10 consecutive battles in Survival in Offline Mode.
You won 3 team battles in Offline Mode.
You used an item move.
You customized a character.
You cleared an Offline Mode arcade battle solo.
You cleared Stage 1 in Fight Lab.
You changed the background music using TEKKEN TUNES.
You won a GREAT battle.
You won a PERFECT battle.
You successfully completed 10 throw escapes.
You pulled off 3 low parries.
You pulled off 3 reversals.
You pulled off 10 Tag Combos.
You pulled off a GREAT combo.
You pulled off 3 partner-specific Tag Throws.
You pulled off 3 Tag Crashes.
You pulled off 3 10 hit combos.
You escaped from Alisa's Spam Bomb move.
You dropped a damsel into the pool in the Eternal Paradise stage.
You pulled off 3 Direct Tag Assaults.
You pulled off 10 Tag Throws.
You broke a balcony.
You broke a wall.
You pulled off 10 homing attacks.
You cleared an Offline Mode arcade battle with a partner.
Your upper body got wet in the Fallen Garden stage.
You broke a floor.
You pulled off 3 ukemi.
You pulled off 10 bound combos.
You pulled off 10 Tag Assaults.
You dealt a total of 1000 damage in Practice in Offline Mode.
You dealt more than 62 damage in a midair combo.