Dofense

Dofense (pronounced Doo-fense) is a tower defense RTS game with strong core strategy and ability to design new levels with endless possibilities. You defend six energy cores from pink monsters and destroy their spawning gate before they overwhelm your defense. The gameplay of Dofense involves trade-offs between four main resources - Space, Time, Crystals, Attention. The different kinds of towers, enemies and environment mechanics are designed to play unique roles in this framework. These elements are combined in a variety of ways to create interesting battles. The game comes with a number of built-in battles, organized in Sectors. Moreover it comes with a full-fledged Level editor that you can use to create your own maps.