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