Here is the full list of all 23 Cat Quest (JP) trophies - there are 7 bronze, 7 silver, 8 gold and 1 platinum.
MEOW!
Obtained 66 armor or weapons
Reached level 99
Completed all 62 side quests
Cleared all 52 dungeons
Located all monuments
Obtained all 7 skills
Completed 30 side quests
Cleared 25 dungeons
Obtained 30 armor or weapons
Completed the Main Quest
Reached level 50
Defeated the Arcane Dragon
Defeated the Ice Dragon
Obtained 4 skills
Located half the monuments
Defeated the Flame Dragon
Obtained 2 skills
Reached level 10
Completed 6 side quests
Cleared 5 dungeons
Located one monument
Obtained 3 armor or weapons