Control the tank and defend the artifact.\\r\\nFor each destroyed enemy unit you get money.\\r\\nUse them to upgrade your tank (speed, armor, range, power).\\r\\nEnemies can not pass through water, trees, walls, hedges.\\r\\nWhen enemy or its weapon reaches the artifact - game is over.\\r\\nBrick walls that can be broken.\\r\\nSometimes enemy bomber will drop bombs.