Here is the full list of all 50 Monster Hunter: World trophies - there are 36 bronze, 11 silver, 2 gold and 1 platinum.
Unlock all trophies for Monster Hunter: World.
Complete 50 arena quests.
Max out the research level (up to high rank) for many monsters.
Hunt 50 tempered monsters.
Obtain a gold crown for many monsters in your hunting log.
Obtain a miniature crown for many monsters in your hunting log.
Reach hunter rank 100.
Obtain five highly rare weapons.
Slay 50 elder dragons.
Obtain five highly rare pieces of armor.
Hunt your first tempered monster.
Solve the mystery of the Elder Crossing.
Hunt 500 large monsters.
Obtain a gold crown for 10 or more monsters that appear from low or high rank.
Obtain a miniature crown for 10 or more monsters that appear from low or high rank.
Possess 1,000,000 zenny.
Earn the right to take on eight-star assignments.
Earn the right to take on seven-star assignments.
Collect over 50 Guild Cards.
Complete your first arena quest.
Obtain 100,000 research points.
Complete 100 quests via multiplayer.
Complete 50 optional quests.
Capture 50 monsters.
Record your first miniature crown for monsters that appear from low or high rank.
Successfully guide Zorah Magdaros.
Complete 50 investigations.
Capture a fish known as "the living fossil."
Capture a stiff, bristly creature.
Earn the right to take on five-star assignments.
Hunt 100 large monsters.
Move into an upgraded room.
Raise the proficiency of any Palico Gadget to level 10.
Establish five camps.
Earn the right to take on four-star assignments.
Capture a fluffy, snuggly creature.
Capture a creature that glitters like a rainbow.
Catch your first fish.
Respond to an SOS flare, and help complete 10 quests.
Earn the right to take on three-star assignments.
Complete your first investigation.
Record your first silver crown or higher for monsters that appear from low or high rank.
Complete a quest via multiplayer.
Capture your first monster.
Fire an SOS flare for the first time.
Befriend your first Tailraider.
Cook your first well-done steak.
Earn the right to take on two-star assignments.
Mount your first monster.
Escape the Jagras pack by hiding in some shrubs.