Hello! What I think we should add to tower defence is New troops. Like the ghast! Its a flying troop that can take out towers like the armagedon but it doesn't have much health. You could add a troop called the knight. Its a zombie wearing armor riding a horse! And when the horse dies the knight is just a single troop. You could send iron golems as well! they would be like a buffed creeper. they are slow but deadly! Also heres another tower idea. The fireball tower will target air and ground troops. It sets them on fire and also does a lot of damage. And another tower. This tower could splash a random bad effect on mobs. But it could only attack ground troops. The final tower is the dragon tower. It takes really long to charge up but then by demand by the creator it wil shoot an ender dragon where the user aims it!