Love Tower Defense games then you are going to be spoilt for choice on Windows Phone 7, Scribble Defense is a new game by Elbert Perez that falls in to this genre. Scribble Defense tries to differentiate itself from the rest of the pack by adding a twist to the game. The player can manipulate the waypoints that the enemy follows. This is what the developer has to say about the game

You are the Scribble Meister, a master of inks and the powerful protector of the Scribbles. As their only line of defense, you must protect the innocent Scribbles from the unrelenting march of vicious Scrawls. Manifest destructive towers to devastate enemies with powerful attacks, or deploy kinetic towers to manipulate enemies and the very paths they use to assault you. Each level provides its own challenge, as it is not just a backdrop, but a puzzle that will dare you to use your towers creatively. Are you ready for the Scrawls? The Scribbles need your help, defend them!

Scribble Defense offers 20 levels with various towers at the player’s disposal. You have the option to try out the trial and the limitations are : Only the first 7 levels are playable, upon buying 14 other levels are unlocked. That is a really generous trial offering so give it a whirl and let us know what you think about it.

More info from the developers site : occasionalgamer.com