AppStore: iPhone Game - Fieldrunners

Fieldrunners may seem to be a very simple and boring game but believe me it's not! The objective of the game is to build towers to defend your base.

There are 4 different types of towers and each can be upgraded multiple times.

* Gatling Tower ($5) – offers a continuously firing attack, but is weak and has a short range
* Goo Tower ($10) – slows enemies for a limited period of time.
* Missile Tower ($20)– is a splash damage tower and has the longest range.
* Lightning Tower ($70) – capable of incinerating multiple fieldrunners in a single fiery swoop.

When you advance to the Medium difficulty stage, two more additional towers can be built.
* Flame Tower ($50) - medium range, but it has the most nearby damage.
* Mortar Tower ($120)- long range attack, but can't attack nearby. Highest damage.

There are 3 maps to choose from:

GRASSLANDS

open field in which enemies cross the screen from left to right

CROSSROADS

set indoors where the player must also defend enemies going from top to the bottom of the screen

DRYLANDS
has three entry points, top to bottom, and one each at the top and bottom of the screen going left to right