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..
Fight the enemy hordes using unique abilities of your towers and powerful combat spells. Be aware of enemy towers because they give his forces various bonuses, including healing, armor increase and others.
Fight the BoxDude's Invasion using 8 unique turrets on 6 maps! You must change the turrets facing direction using arrow keys before placing them on the map.