Here is the full list of all 11 Hack and Shoot Heroes (EU) trophies - there are 5 bronze, 5 silver and 1 gold.
Complete level 1 in normal mode
Complete level 2 in normal mode
Complete level 3 in normal mode
Complete horde level 1
Complete horde level 2
Complete horde level 3
Purchase all items in the menu shop
Complete all levels in normal mode
Complete all levels in horde mode
Unlock all heroes
You evolved a weapon