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