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