Here is the full list of all 10 Momonga Pinball Adventures trophies - there are 3 bronze, 6 silver and 1 gold.
Play 500 levels
Slay 100 owls
Complete 45 challenges
Pick up 1000 stars
Play through the story
Get 3 stars on all levels
Complete 20 challenges
Hit 100 practice targets
Make the first skillshot
Play 100 levels