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