This is yet another TD game. You have factories you need to protect from enemies. Enemies move along the path and your goal is to build towers that will kill them. Each factory brings you money once in a while. You can upgrade factories to make them bring more money or rebuild them if they're destroyed. If an enemy reaches a factory it reduces 1 upgrade level from it. If the factory is level 1 it'll be destroyed. In the beginning you can only build 1 type of towers. You'll be allowed to build many more types in the future.
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