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