There's also a variant of 1), in which you have a big open space and several waypoints that mobs will visit. The optimal strategy for these TDs is to create a m

There's also a variant of 1), in which you have a big open space and several waypoints that mobs will visit. The optimal strategy for these TDs is to create a maze, but one that will require the mobs to travel several times through the center of the arena where you place the strong/short distance towers. Gem TD is an example of such TD