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