Europa Universalis IV newest DLC expansion Leviathan gives new diplomatic tools for smaller nations and tribes to compete against larger powers. New ways to centralize and accumulate power for your country, new economic tools that will allow you to siphon wealth from vassals to develop your capital city.

• Favor system: pay court to other nations and use them to achieve diplomatic goals.
• Improved regency and colony system: regency councils can now be extended to delay the coronation of unfit monarchs. Your colonies can now be focused on different specializations like military, trade, and self-government.
• Provinces can now enlarge their capacity to build new structures and manufactories allowing smaller nations to make centers of wealth at a modest cost.
• New Army sprites for southeast Asian nations, Indochinese, Indonesian, and Polynesian nations.
• Make lasting glory for your nation with monuments, adding new powerful bonuses for your empire.
• And many more new updates.

You will need the base game Europa Universalis IV to access this DLC content.