Here is the full list of all 21 Super Hydorah (EU) trophies - there are 5 bronze, 7 silver, 8 gold and 1 platinum.
Complete a mission with an accumulated score of 100000 points or more.
Complete a mission with an accumulated score of 50000 points or more.
Get all trophies!
Find an escaping astronaut.
Find a giant green egg.
Find a pink elephant.
Find a jumping flower.
Find a floating blue stone.
Find the chest of Grialia.
Destroy Hydorah.
Destroy Hydorah and all his seeds.
Destroy Hydorah and all his seeds using no continues.
Find all hidden secrets in the game.
Complete a mission with an accumulated score of 150000 points or more.
Complete a mission with an accumulated score of 200000 points or more.
Complete a mission with an accumulated score of 250000 points or more.
Complete a mission with an accumulated score of 300000 points or more.
Complete a mission with an accumulated score of 350000 points or more.
Complete a mission with an accumulated score of 400000 points or more.
Complete a mission with an accumulated score of 450000 points or more.
Complete a mission with an accumulated score of 500000 points or more.