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