Desktop Tower Defense is one of the flash games that revolutionized the flash gaming industry with its unique game play. The game has a distinctive desktop background that adds to the uniqueness of the approach. Your objective is to stop all the enemies called creeps from travelling across your desktop by placing various defense towers. Defense towers will try to destroy enemy creeps automatically. There are five types of defense towers available like pellet, squirt, dart, swarm, and frost towers each with definite characteristics. There are several types of enemy creeps (normal, boss, flying creeps, group, etc) that will try to invade your desktop and you have to kill every one of them by strategically placing all the defense towers. You will earn gold by killing the creeps which you can use to buy more towers or upgrade existing towers. Use your mouse to play the game. Select from five types of game modes to play. The game will be over if you lost all your 20 lives.