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