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