The tactical strategy game Grid Siege invites you to organize an impregnable defense of your base from endless waves of advancing enemies. Build ten unique types of defensive towers on empty grid cells, intelligently distributing firepower across ten different maps. Carefully analyze the characteristics of eight types of attacking creatures, improve installed weapons in a timely manner, reassign priority targets and sell ineffective buildings. Hold back the onslaught of all the assault troops and earn game points in Grid Siege.