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