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