Full list of all 56 Lost Judgment achievements. It takes around 120-150 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there is 1 DLC pack containing 6 achievements.
Completed Chapter 8.
Completed Chapter 7.
Obtained 30 skills.
Completed Chapter 6.
Completed 20 TownGo City Missions.
Completed ten TownGo School Missions.
Cleared 10 Side Cases.
Completed Chapter 4.
Stopped the bullying at Seiryo High School.
Got the skateboard for free.
Made one enemy surrender.
Resolved Keiko's dilemma.
Completed Chapter 9.
Completed Chapter 11.
Completed Chapter 12.
Thank you for playing to the end!
Beat the main story on the highest difficulty.
Completed the investigation of the dance club.
Completed the investigation of the robotics club.
Completed the investigation of the boxing gym.
Completed the investigation of the biker gang.
Completed the investigation of the Professor.
Cleared 30 Side Cases.
Cleared all Side Cases (not including DLC).
Defeated the opponent who makes the final request.
Find ten targets in Observation Mode.
Find ten targets with the Detector.
Find ten targets with the Noise Amp.
Find ten targets with the dog.
Asked out by a girl.
Obtained 100 skills.
Obtained all skills.
Completed 30 stores in TownGo's Shop Missions.
Completed all of TownGo's Shop Missions.
Completed all TownGo City Missions.
Completed all TownGo School Missions.
Achieved 100% completion of TownGo. Wow!
Obtained all equipment.
Obtained all skateboards.
Obtained all records.
Completed all of Squirrel Search.
Won first place in every Grand Prix drone race.
Clear all of the stages in Dice & Cube.
Completed the final stage of Aircelios.
Get first place on the final course of the skateboard race.
Obtained 50 pickups in Hama of the Dead.
Played every arcade game.
Asked out by two girls.
Asked out by three girls.
Asked out by four girls.
Obtained all achievements.
Completed Chapter 1 of The Kaito Files.
Completed Chapter 2 of The Kaito Files.
Completed Chapter 3 of The Kaito Files.
Completed Chapter 4 of The Kaito Files.
Defeated all masked warriors.