Cosmic Invasion is a combination of strategy mixed in with quick frantic battles against fleets that contain many ships. The strategic layer is a 20 X 30 grid of sectors which creates 600 sectors in all. You move your ships around trying to protect your home planet and space stations from the invading fleets of UFO ships. You are also trying to collect resources from asteroid fields, nebulas and crystalline planets, and collecting ships modules at certain planets. Use these modules to increase your ships