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