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