A couple of years ago, Tower Defense genre was at its peak and the game developers have churned out one by one, resulting in a large uniformity. Now the emphasis is on quality, one of these creations Sentinel 4 Dark Star. The game moved you into the distant future, where the space utilized and people are exploring new worlds. With the development of the next world, local residents were not happy at all that way and strive to get rid of the uninvited guest. To protect you have to build defensive towers around the perimeter, alien creatures will improve with each level, and to destroy them will become increasingly difficult.