Here is the full list of all 45 Exist Archive: The Other Side of the Sky trophies - there are 32 bronze, 9 silver, 3 gold and 1 platinum.
Earn all trophies aside from the Platinum Trophy.
Clear all difficulty levels in all dungeons.
Clear all difficulty levels in 20+ different dungeons.
Clear all difficulty levels in 10+ different dungeons.
Earn a 100% exploration rate in all dungeons.
Earn a 100% exploration rate in 20+ different dungeons.
Collect all LV 3 rewards from Speed Run.
Collect all LV 1 rewards from Speed Run.
Collect all LV 2 rewards from Speed Run.
Defeat Yamatoga.
Beat the game having sent all party members back to Earth.
Kanata has learned all Demon's Greed attacks.
Beat the game on the "Curse of Immortality" Route.
Beat the game having sent no party members back to Earth.
Kanata has learned all Attack Skills.
Kanata has learned all of the party's abilities.
Kanata has learned all magic spells.
Kanata has learned 100+ different Skills.
Defeat 1,000+ Chasseur.
Earn a 100% exploration rate in 10+ different dungeons.
Raise all female characters' affection for Kanata to "Love."
Raise all male characters' affection for Kanata to "Best Friend."
Defeat 5,000+ Variants.
Have Rejected Kanata and Rejected Ranze join your party.
Have Kagato join your party.
Beat the game on the "An Eternity of Time" Route.
Collect 250+ different weapons, armors & accessories total.
Save up 1,000,000AMP.
Beat the game on the "Dark God Kanata" Route.
Collect 150+ different weapons.
Defeat 500+ Chasseur.
Collect 50+ different armors.
Collect 25+ different accessories.
Save up 500,000AMP.
Win a battle having completed a 300+ hit chain.
Collect 25+ different armors.
Collect 15+ different accessories.
Collect 150+ different weapons, armors & accessories total.
Collect 100+ different weapons.
Save up 100,000AMP.
Defeat 100+ Chasseur.
Win a battle having completed a 100+ hit chain.
Defeat 1,000+ Variants.
Win a battle having completed a 30+ hit chain.
Defeat 100+ Variants.