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