Here is the full list of all 42 TEKKEN 7 achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Got promoted to Warrior.
Dealt 50,000 damage in Practice mode.
Won a battle in online tournament.
Defeated 20 opponents of a higher rank.
Obtained 50 treasure boxes.
Reached the bottom floor of the Forgotten Realm stage. (Excluding offline VS Battle)
Got promoted to Brawler.
Won three special matches in Treasure Battle.
Got promoted to Initiate.
Obtained 20 treasure boxes.
Beat Akuma in an Arcade Battle or a Special Match in Treasure Battle.
Performed a floor-breaking move. (Excluding offline VS Battle)
Reached the deepest part of the Jungle Outpost stage. (Excluding offline VS Battle)
Finished the Special Chapter of the main story.
Dealt 10 Rage Drives. (Excluding offline VS Battle)
Finished 10 Character Episode stories.
Dealt 20 Rage Arts. (Excluding offline VS Battle)
Snatched victory from the jaws of defeat 5 times with Rage Art. (Excluding offline VS Battle)
Dealt an overall total of 1,000 damage while in rage mode. (Excluding offline VS Battle)
Finished three Character Episode stories.
Got promoted to 1st dan.
Obtained an overall total of 10,000,000G.
Watched the epilogue of the main story.
Finished Chapter 13 of the main story.
Finished Chapter 8 of the main story.
Fought ten online battles.
Blocked 5 Rage Arts. (Excluding offline VS Battle)
Achieved a great victory. (Excluding offline VS Battle)
Won a ranked match online.
Obtained an overall total of 5,000,000G.
Triggered 10 screws. (Excluding offline VS Battle)
Dealt 10 power crushes. (Excluding offline VS Battle)
Performed a balcony-breaking move. (Excluding offline VS Battle)
Performed three 10 hit combos. (Excluding offline VS Battle)
Won a player match online.
Won three times consecutively in Treasure Battle.
Dealt 10 homing attacks. (Excluding offline VS Battle)
Finished Chapter 1 of the main story.
Finished the prologue of the main story.
Beat Devil Kazumi in an Arcade Battle or a Special Match in Treasure Battle.
Achieved a perfect victory. (Excluding offline VS Battle)
Dealt 70+ damage in an air combo. (Excluding offline VS Battle)