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