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