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