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