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