Steam now has a new "tower defense" title under its belt with the release of Defense Grid: The Awakening.
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base. Beautiful environments, spectacular effects, and a dynamic, engaging soundtrack bring the world to life. The controls are intuitive and the gameplay is deep - the special attacks and properties of each tower work together to provide many ways to succeed.If you've ever played any of the tower defense titles out there, you will know how addicting they can be. For just $19.99, will you continue to feed that addiction?