"Tower Defence games are very popular with gamers and non-gamers alike.
They are available on every popular platform, from PC to the Xbox 360 to smartphones. They consist of waves of enemies moving on a set path to a destination and your job as the player is to stop them from reaching it by building different types of towers.
Anomaly Warzone Earth, developed by 11 Bit Studios, reverses this whole concept as it is advertised as a Tower Offense game.
But what is a Tower Offense game and does it work?"