Sid Meier's Civilization V: Brave New World is an expansion that enhances the original game's depth and complexity. It introduces key features such as international trade, cultural influence, and diplomatic strategies, allowing players to shape their civilizations through ideologies and global congress resolutions. This expansion emphasizes the importance of culture and trade, greatly influencing how players interact with other civilizations.

The expansion also adds significant content, including nine new civilizations, eight new wonders, and two new scenarios. Players can explore four new gameplay systems along with a variety of new units, buildings, and improvements. This increases the strategic options available, enabling players to craft unique paths to build their empires. Overall, Brave New World enriches the Civilization V experience with its focus on culture and diplomacy.