Produces Shields out of Uranium. Each shield blocks one attack.
- Shield towers shield walls. There are no point in buying them if you don't have walls!
- Place them near your walls for fast access to shields.
- You can easily get all your walls shielded buy placing a line of transporters near your walls.
- Shield towers do not need nuclear factories in order to make shields. They use raw uranium.
- The shield tower was added in update 2.0.