Here is the full list of all 42 NieR trophies - there are 20 bronze, 19 silver, 2 gold and 1 platinum.
Congratulations! Thanks for playing!
You completed the game within fifteen hours.
You viewed the fourth ending (Ending D).
Defeat someone you care for within three and a half minutes.
You viewed the third ending (Ending C).
You upgraded 30 weapons to their maximum level.
You upgraded 15 weapons to their maximum level.
You upgraded 5 weapons to their maximum level.
Find every weapon.
Accumulate 1,000,000 pieces of gold.
You successfully cultivated the legendary flower.
You viewed the second ending (Ending B).
Defeat the Shade inside you within three and a half minutes.
Destroy the world-saving tome within one and a half minutes.
Defeat the betrayers again within three and a half minutes.
Defeat Goose within two minutes.
Defeat the betrayers within two and a half minutes.
Collect 50 percent of all words.
Defeat P-33 within four and a half minutes.
Defeat Roc within three and a half minutes.
Defeat Wendy within eight and a half minutes.
Defeat a berserking Shade within one minute.
Defeat Gretel within two and a half minutes.
You caught one of every type of fish.
You caught a rhizodont.
You rode a boar for at least five minutes.
Read the final novel segment.
You viewed the first ending (Ending A).
You defeated the Shadowlord.
You unlocked the key to the Shadowlord's castle.
Complete 30 quests.
You freed Kainé from her petrification.
Emil joined your party.
You collected 50 types of raw materials.
Learn every type of magic.
Complete 20 quests.
Kainé joined your party.
Complete 10 quests.
You killed 100 sheep.
Grimoire Weiss joined your party.
Pull off a 100-hit combo.
Pull off a 50-hit combo.