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