You may be familiar with Com2uS from popular titles like Homerun Battle 3D and Slice It. Well, the developer's newest effort comes into a genre that is already more than adequately represented with Tower Defense: Lost Earth. This game is free to download, but as most of Com2uS' games lately have, it relies on in-app purchases to milk you for cash over time.
You're probably familiar with the idea of a tower defense game. If not, it seems unlikely you'd be reading this. In Tower Defense: Lost Earth, enemy creeps will flow into the maze, and your weapon emplacements will have to take them out.