My first indie game to release to market is now free. it is a sci-fi fps where you must defend earth from invading robots

Robot Assault is now free. it was released at the price of two dollars but now is free to download(also on indiecity and shiny loot) After disappointing sales of robot assault the choice was made to make it free to play. After some complains from people saying that playing it on indiecity was inconvenient it is now available for direct download here.