the game is quite easy but takes a while. you need to get about 5000 mana in the first three then swarm it but clerics are unnecicsary. allways try to upgrade all your races because the angle soldier is the best unlockable unit with high damage and a field attack that follows of the reg.
 "Epic War 2"){kind=icon}
 "Epic War 3"){kind=icon}
 "Kongai Launch"){kind=icon}
 "Bloons Tower Defense 4"){kind=icon}
 "Hero's Arms"){kind=icon}
 "Battalion: Arena"){kind=icon}