Great Idea

The cannon angle needs faster adjustment. Either click and hold, manual input number value, or a slider of some sort. Killing the cannons is basically the goal, as the castle can take a crazy beating. You may want to change that. As it stands, its a replication of the old artillery game, only with 2 arty pieces and a second more difficult way to win (the king). Balance the issue I mentioned, and fix the power and angle adjustment, and then look at other options, like the features you would find in worms.

Its a good ideal

However i beleive that it is 2 easy, once u have a certain angle u dont really have to change anything but the power according to the wind. the cannoners should either;withstand damage (Take so many hits before dieing) , or be alot more of them, positioned differently etc. I love the concept, good old shoot out, and is great as a begnning. Prehaps in improvements u can add castle construction, upgrades, power ups or even new maps with different situations into the terrian.
Alot of people want single player because they dont have friends lol, its not exactly what u are going for, but mabey something u can consider? though with a game like this, its better to be played with friends then with computers. I hope to see u do some of my ideals or take them into consideration. Good Luck

Wasn't able to connect

But I felt that you deserved a good review because of the fact that you said "eager to get their e-penises enlarged on Newgrounds" in one of your responses. I'm about to try the link you posted in the other response. :)

aww mann :(

i cant play because nobody is online

ummmm durrr....

GET SINGLE PLAYER!!!!!