Your mission in this cool tower defense game is to take on the role as the evil forces and protect you gems from being stolen by the brave heroes. Try to kill all enemies before they can reach your gems, but even if they do, you'll have a chance to stop them on their way back and save your valuable gems. Use YOUR MOUSE to place towers on the battle field. Hold SHIFT to build multiple towers or cast multiple spells. Check in-game hints and tutorial for more info. Good luck!