post here your crush the castle level: here is my first level: http://armor.ag/qVhv
the 2 secret achievements:
hell froze over: use a ice bomb in a volcano level guide: go to the top left corner and choose 1 of the castles in the stone part of the map. and fire 1 ice bomb
into the void: destroy a castle with the secret ammo you get after getting all gold
(if you want to know the secret ammo, you have to find yourself, buts a pain in the ass)