Here is the full list of all 13 Jet Set Knights (EU) trophies - there are 1 silver, 11 gold and 1 platinum.
Get all other trophies.
Shot 250 Fire Arrows
Slay the Muffin Boss
Build 20x Guard Tower
Die 20 Times
Shot 250 Ice Arrows
Destroy the Robot Boss
Slay the Snowman Boss
Find 1000 Coins
Defeat 600 Monsters
Shot 500 Arrows
Slay the Big Ape Boss
Slay the Octopus Boss