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