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