Use the tower's new and unbelievably cool Super Activated Abilities to lay waste to the endless swarms of balloons. You'll need all the firepower you can get to combat the new Balloon types and new tracks with moving parts and tunnels.
Deploy your units to ambush the passing by enemies. Enemies will return fire so beware that your troops may be killed. Luckily, allied airplanes will fly by to assist you.
The King has ordered the mighty heroes once again to bring more gems. Gather the evil forces, build towers, upgrades, cast the mighty spells, do whatever you can to not let them take your gems!
Use towers to build a labyrinth from entrance to exit. Each tower can be upgraded 4 times. With each wave, enemies will become stronger, so use money you earned to upgrade reasonably.