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