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