In year 2222, people invented a portal. In year 2281, the first habitable planet is found. Its colonization is made through portals and it turns out that humans are not the only sentient race in the universe..
Defend yourself and eliminate all your enemies to survive by placing towers at available spots in Antarctica. Use strategy and upgrade wisely. Best of Luck!
Deploy your units to ambush the passing by enemies. Enemies will return fire so beware that your troops may be killed. Luckily, allied airplanes will fly by to assist you.
