Here is the full list of all 47 Persona 5 Strikers achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Earned all Achievements.
Defeated 10 Treasure Demons.
Completed the Inmate Registry.
Trained all Phantom Thieves to level 70.
Maxed out all BOND skill levels.
Started a New Game+ on Merciless Difficulty.
Defeated all Dire Shadows.
Defeated the Reaper.
Defeated a Dire Shadow.
Completed the Tree of Knowledge.
Spent Persona Points to strengthen a Persona's stats.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Obtained all Master Arts for Wolf.
Obtained all Master Arts for all characters.
Obtained all Master Arts for Mona.
Completed the Osaka Jail.
Obtained all Master Arts for Sophie.
Obtained all Master Arts for Fox.
Opened 50 treasure chests.
Obtained all Master Arts for Skull.
Completed 50 requests.
Maxed out a BOND skill level.
Cooked 12 types of food.
Cleared all special requests from the Phantom Thieves.
Completed the Kyoto Jail.
Wolf awakened his Persona.
Completed the Okinawa Jail.
Obtained all Master Arts for Noir.
Hit the enemy's weakness 300 times.
Completed the Sapporo Jail.
Obtained all Master Arts for Queen.
Obtained a total 200 items from the Jails.
Used Incense.
Obtained a souvenir for the camper.
Completed the Sendai Jail.
Obtained all Master Arts for Panther.
Performed an All-Out Attack 150 times.
Completed a request.
Performed 50 ambushes.
Cooked food for the first time.
Completed the Shibuya Jail.
Obtained all Master Arts for Joker.
Bought something during a limited time sale.
Defeated 200 enemies with a phantom dash.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.