Perimeter is a real-time strategy game built on the concept of non-stop terraforming. The gamer will embark on territory seizure by means of especially designed units thus turning it into the principal energy resource. Then the subsequent encircling of the zones with an impenetrable perimeter will follow. Alongside unique terraforming and protecting perimeter opportunities the game provides powerful nanotechnologies which allow managing groups of modifiable combat units. The necessity of efficient strategic territorial planning and tactical flexibility of combat units make the game appealing to any admirer of strategy genre.. The game takes place in a detailed science fiction universe and embraces an epic plot centered on the fate of Exodus civilization that once abandoned the dying Earth in search for a new world. The story leaves no sci-fi admirer indifferent and the gamer participates in a large-scale expedition covering several centuries in mysterious Pshychospere worlds. Perimeter does not copy other RTS products but instead offers a well-balanced combination of new terraforming principles and territorial wars with traditional strategy elements. . Features . Real-time terraforming influenced by the special units explosions and natural geological processes. For the first time in strategy genre history the landscape is an active participant in combat not just a static background. . Territorial warfare. The gamer encircles terraformed and captured zones by static and impenetrable force cupolas that essentially change combat tactics as protecting perimeters of opposing parties annihilate. . Combat units composed by the gamer are no longer integral during a mission. Owing to nanotechnologies they can be transformed right on the battlefield thus giving the player powerful tactical opportunities to adapt combat units to a particular situation. . Energy obtained from terraformed surface is the main multi-purpose resource. T