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