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