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