Here is the full list of all 47 ONE PUNCH MAN: A HERO NOBODY KNOWS achievements.
Earn every trophy.
Clear Chapter 1.
Clear Chapter 2.
Clear Chapter 3.
Clear Chapter 4.
Clear Chapter 5.
Clear Chapter 6.
Clear Chapter 7.
Clear Chapter 8.
Clear Chapter 9.
Clear Chapter 10.
Clear Chapter 11.
Get promoted to Hero Rank Class B.
Get promoted to Hero Rank Class A.
Get promoted to Hero Rank Class S.
Reach the max level for the standard battle type.
Reach the max level for the power battle type.
Reach the max level for the psychic battle type.
Reach the max level for the weapon battle type.
Reach the max level for the machine battle type.
Reach the max level for the monster battle type.
Clear a mission from a Hero Association branch office for the first time (tutorial excluded).
Clear a mission from Hero Association HQ for the first time.
Clear 100 or more missions.
Make a purchase for the first time.
Change your outfit for the first time.
Set a Killer Move for the first time.
Obtain 30 or more Killer Moves.
Equip a Super Killer Move and use it in battle (tutorial excluded).
Obtain 150 or more avatar parts (accessories excluded).
Equip a skill for the first time.
Obtain 30 or more skills.
Use a boost item for the first time.
Increase your Player Level.
Reach Player Level 50.
Reach the maximum Player Level.
Deepen bonds with a hero.
Deepen bonds with five heroes.
Deepen bonds with ten heroes.
Place furniture in your room for the first time.
Obtain 50 or more pieces of furniture.
Clear a subquest for the first time (tutorial excluded).
Clear 30 or more subquests (tutorial excluded).
Land the first attack in battle for the first time (tutorial excluded).
Perform a perfect guard in battle for the first time (tutorial excluded).
Perform a Mode Change in battle for the first time (tutorial excluded).
Unlock more than 15 characters for Free Battles with Team Rules.