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