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