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