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 killed 100 sheep.
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.
Collect 50 percent of all words.
Accumulate 1,000,000 pieces of gold.
You caught a rhizodont.
You caught one of every type of fish.
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.
Pull off a 100-hit combo.
Defeat the betrayers within two and a half minutes.
Defeat Roc within three and a half minutes.
Defeat Wendy within eight and a half minutes.
Defeat P-33 within four and a half minutes.
Defeat Gretel within two and a half minutes.
Defeat a berserking Shade within one minute.
Read the final novel segment.
You viewed the first ending (Ending A).
You defeated the Shadowlord.
Defeat Goose within two minutes.
You unlocked the key to the Shadowlord's castle.
You freed Kainé from her petrification.
Emil joined your party.
Learn every type of magic.
You rode a boar for at least five minutes.
Complete 30 quests.
You collected 50 types of raw materials.
Complete 20 quests.
Kainé joined your party.
Complete 10 quests.
Grimoire Weiss joined your party.
Pull off a 50-hit combo.