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