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.
Defeated all Dire Shadows.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Trained all Phantom Thieves to level 70.
Hit the enemy's weakness 300 times.
Completed the Osaka Jail.
Defeated a Dire Shadow.
Defeated 10 Treasure Demons.
Completed 50 requests.
Obtained all Master Arts for all characters.
Obtained all Master Arts for Wolf.
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.
Obtained all Master Arts for Mona.
Completed the Okinawa Jail.
Completed the Sapporo Jail.
Obtained all Master Arts for Queen.
Opened 50 treasure chests.
Maxed out a BOND skill level.
Obtained all Master Arts for Noir.
Obtained all Master Arts for Skull.
Obtained all Master Arts for Sophie.
Obtained a total 200 items from the Jails.
Obtained a souvenir for the camper.
Completed the Sendai Jail.
Used Incense.
Obtained all Master Arts for Fox.
Completed a request.
Performed an All-Out Attack 150 times.
Cooked food for the first time.
Completed the Shibuya Jail.
Obtained all Master Arts for Panther.
Bought something during a limited time sale.
Performed 50 ambushes.
Obtained all Master Arts for Joker.
Defeated 200 enemies with a phantom dash.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.