Here is the full list of all 12 Doodle Kingdom (EU) trophies - there are 7 bronze, 4 silver and 1 gold.
Complete 3 quests
Complete 1 quest
Create all elements in Genesis mode
Open all elemental elements in Genesis mode
Create all spells in Genesis mode
Create 3 towns in Genesis mode
Create all magic creatures in Genesis mode
Create 3 new elements in a row
Kill 30 bosses in My Hero mode
Run 20000 meters in My Hero mode
Open 500 chests in My Hero mode
Kill 300 enemies in My Hero mode