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