Alliant: Defense of the Colony

Description
Alliant: Defense of the Colony is a strategy game where the player controls units and turrets to fight off aliens coming from the top of the map and destroy their base. The game is wave based and has many elements of tower defense games. With a limited amount of currency turrets can be placed and troops can be placed. These troops can then be moved around freely.
The year is 3087. Humanity is running out of resources on Earth so they look for new planets to colonize. After 5 years of searching, they find a viable planet, however it was first found by Alliant, a ravenous breed of aliens that wants to literally eat the planet. Humanity will not let anything stand in its path of survival.