How to Play?

Best Free Planet Defender Game. Play Planet Defender TD Game and defend the planet from alien invasion, place ion cannons and bunkers for the population,research and upgrade your buildings when you get enough cash.Best viewed in windowed mode.You have to build the building and to construct the building the first you have to select the building type which you want to create from the list. Once you have selected the structure click on the empty slot over the planet. Always remember you have to keep searching the blank space on the planet to construct the building because enemies will be attacking on you very fast. Once you have created the building you can upgrade to take some new benefits. To construct the additional structure you will require prerequisite research technologies and for this you have to click on the research tab on the top to access it. To play the game use the following keys - Mouse - to interact with the playing options.