Here is the full list of all 21 A Monster's Expedition (Through Puzzling Exhibitions) trophies - there are 6 bronze, 6 silver, 8 gold and 1 platinum.
Collect every trophy in the game!
Begin your tour in earnest!
See old paths in a new light!
Finally reach the windmill!
Catch the ferry home!
Relax by the water!
Travel via monster post!
Enjoy something tasty!
Enjoy something hot!
Enjoy a nice sit down!
Examine 40 museum exhibits!
Examine 80 museum exhibits!
Examine 120 museum exhibits!
Examine every museum exhibit!
Make a friend along the way!
Make 10 friends!
Make 20 friends!
Make 30 friends!
Make 40 friends!
Make 50 friends!
Make friends with everyone!