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