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