Oh, look you really need test your game first, lostvector
[1:its hard to see your health bar][2: if you die, you lose][3:destory enemy's castle is not win][4:enemy's army is too overpowered, you can't even buy it with money][5:you can't pick the flag][6:even your archer can't hit your teammate, but you can][7:enemy have high population, but you only have few, why? this is my castle! why i can't have more?][8:you can buy upgrade after a round finish, buy it in game/menu? no]
1/5 unfair
for all - timing is a part of this puzzle
i would make timing rain if there a level editior
and @naesala, kongregate really need a luck tag, there are some dice game