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