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