strategy game, Civilization V, DLC content, expansion pack, new civilizations, unique units, special buildings, enhanced gameplay mechanics, cultural policies, world wonders, historical leaders, multiplayer maps, improved AI, hexagonal tiles, turn-based, global diplomacy, trade routes, city-states, espionage, religion system, Brave New World, Gods & Kings, downloadable content, PC gaming, Steam platform, Sid Meier, Firaxis Games, high-resolution textures, mod support, strategy guide, immersive soundtrack, epic scale, grand strategy, 4X game (explore, expand, exploit, exterminate), advanced graphics, detailed terrain, fog of war, strategic view, isometric perspective.