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