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