Things I like
-Dynamic boss battle: I like how the boss on the Bridge level isn't just a large, harder to kill normal enemy. He has different attacks and I like how he has an attack which heals him (eats your guys), this makes him fun and challenging since it isn't just a typical boss.
-Lots of upgrades: I like how you have more than just a few upgrades for your troops.
-Variety of characters: I like how there aren't just 2 troops you can use
Things I don't like
-Troops feel to easy to kill: melee troops should be able to kill more before dying. Maybe add a healer for your troops.
-Money limit: I don't really like the idea of having an upper limit to your money, it just gets annoying
-Mages have to get too close: I think mages have to get too close to attack. They don't have much in the way of defense and are very easy to kill.