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