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