This level is particularly tricky and you really need to actively move your heroes from side to side as otherwise your towers probably would not be able to cope alone.

Check out the screenshot below to see our starting layout.



Weirdly, starting with two upgraded wizard towers worked really well for us.

As the level progress we added a few more wizard towers to try to cover both sides.



By now we had added some golem towers which worked really well with the wizard towers.



The final wave below shows an example of good hero positioning as all of the enemies were on the left side we put our heros there too. If you are slow moving your heroes around on this level then it will be difficult for you to get three stars.