strategy game, Civilization V, mods, enhanced graphics, historical leaders, custom civilizations, new units, expanded tech tree, unique buildings, fan-made scenarios, alternate history, gameplay balance, AI improvements, cultural diversity, map scripts, resource distribution, climate effects, hexagonal tiles, turn-based, multiplayer compatible, Steam Workshop, user interface tweaks, immersive soundtracks, diplomacy enhancements, military strategies, world wonders, cultural policies, science victory, domination victory, peaceful expansion, complex strategy, modding community, historical accuracy, game mods.