Will you survive to the end? You're under attack and you must defend your DS-no matter what it takes. Strategically build up your towers to battle against a non-stop wave of attackers. Eliminate Creeps! Tactically place protective towers of differing defensive and offensive capabilities throughout the playing field, all while invaders known as "creeps" attempt to march across the screen. Hundreds of Levels! Through strategic placement, carefully create mazes to ambush the invaders and protect their holdings through hundreds of challenging levels. Bigger and Better Turrets! Upgrade your turrets to gain even more power. So Many Creeps, So Little Time! Battle against group, flying, immune, spawn, dark and morph creeps all with different skills to challenge the best of players. Customize your Game! Create your own addictive experience by drawing towers and designing unique unrelenting "creeps" using the innovative technology of the Nintendo DS stylus, for a game experience of unending possibilities.