Here is the full list of all 14 Orc Attack: Flatulent Rebellion trophies - there are 11 bronze, 2 silver and 1 gold.
Kill the Mad Man.
Collect 300 coins in one combat level.
Collect all the Black Stones.
Kill 1000 enemies.
Hit 1000 enemies without being touched by them.
Complete a level without taking any damage.
Bring back to life 1 Orc warrior killed in combat.
Wear all the hats, helmets and masks.
Win a multiplayer mission (local or online).
Reach experience Level 15.
Jump on the shoulders of a teammate without scrolling over a meter and do a full level on piggyback.
Prevent Master Muck from taking any damage in one of the escort levels.
Kill 100 enemies.
Kill the Mad Man in Nightmare mode.