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