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