The Planets Under Attack Website now features Windows and OS X demos for this recently released space strategy game from developer Targem Games (Battle vs. Chess) and publisher TopWare Interactive. Here's the description of the game:

"Planets under Attack" takes place in a fast paced and colorful world, challenging players to amass riches and conquer their enemies. Thinking on your feet is crucial, as victory can turn to defeat in the blink of an eye. Defend your planets and take your enemies’ by force in this easy to learn, hard to master strategy title. The trial version offers a first glimpse at a universe filled with space zombies, sentient space insects and greedy, backstabbing humans.