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