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