Here is the full list of all 50 Monster Hunter: World trophies - there are 36 bronze, 11 silver, 2 gold and 1 platinum.
Hunt your first tempered monster.
Obtain five highly rare weapons.
Obtain five highly rare pieces of armor.
Solve the mystery of the Elder Crossing.
Hunt 100 large monsters.
Complete 50 optional quests.
Earn the right to take on eight-star assignments.
Fire an SOS flare for the first time.
Record your first miniature crown for monsters that appear from low or high rank.
Earn the right to take on seven-star assignments.
Successfully guide Zorah Magdaros.
Establish five camps.
Earn the right to take on five-star assignments.
Move into an upgraded room.
Raise the proficiency of any Palico Gadget to level 10.
Befriend your first Tailraider.
Earn the right to take on four-star assignments.
Complete a quest via multiplayer.
Capture your first monster.
Complete your first investigation.
Earn the right to take on three-star assignments.
Record your first silver crown or higher for monsters that appear from low or high rank.
Catch your first fish.
Earn the right to take on two-star assignments.
Mount your first monster.
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.
Cook your first well-done steak.
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.
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.
Respond to an SOS flare, and help complete 10 quests.
Complete 100 quests via multiplayer.
Collect over 50 Guild Cards.
Reach hunter rank 100.