All purchases add cash.
Choose strategic points along the path to your base and build there some defense towers to protect your mine against the creepy aliens attack. Aim of COLONY DEFENDERS TD 2 is to strike down all enemies before they can damage your property as you gather lots of minerals to power-up your turrets or buy new ones. Much fun!
Mouse, R = Next Wave, 1-2 = Rocket / Tesla Strike, D = Deploy Mineral Drone