Here is the full list of all 47 Judgment achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Obtain all other achievements.
Retrieved the money from the Horseplayer Detective.
Completed Chapter 2.
Doubled your chips at L'Amant.
Completed Chapter 4.
Fully investigated Terasawa.
Completed Chapter 6.
Entertained the customer flawlessly.
Completed Chapter 8.
Got the password right on the first try.
Completed Chapter 10.
Saved Sugiura with less than 10 seconds left.
Completed Chapter 12.
Presented the right evidence to the judge on the first try.
Completed all of the main story.
Completed the game on LEGEND difficulty.
Cleared 10 side cases.
Cleared 30 side cases.
Cleared all of the side cases.
Made 10 friends.
Made 30 friends.
Made 50 friends.
A girl revealed her true feelings.
Two girls revealed their true feelings.
Four girls revealed their true feelings.
Obtained 30 skills.
Obtained 60 skills.
Obtained all skills.
Completed five stores in KamuroGo's Shop Missions.
Completed 10 stores in KamuroGo's Shop Missions.
Completed all of KamuroGo's Shop Missions.
Completed 10 KamuroGo City Missions.
Completed 30 KamuroGo City Missions.
Completed all KamuroGo City Missions.
Sold 100 items to Ebisu Pawn.
Shopped 100 times.
Controlled the drone for over an hour.
Flew the drone in first person mode for 60 seconds.
Found all the stray cats while in search mode during the main story.
Obtained 50 pickups in Kamuro of the Dead.
Won first place in every D-League race.
Obtained all drone parts.
Completed all Dice & Cube courses and rules at Paradise VR.
Played every arcade game.
Defeated the opponent in the side case, "A Final Request."
Ate all of Tomioka-san's homecooked meals.
Achieved 100% completion of KamuroGo. Wow!