Sid Meier's Civilization VI for Nintendo Switch includes the latest game updates and improvements, and four pieces of additional content which adds four new civilizations, leaders, and scenarios:

Vikings Scenario Pack
Poland Civilization & Scenario Pack
Australia Civilization & Scenario Pack
Persia and Macedon Civilization & Scenario Pack
Key features for Sid Meier’s Civilization VI on Nintendo Switch include:

PLAY YOUR WAY: The path to victory is the one you determine. Become the most scientifically advanced civilization, dominate through sheer military power, or become the foremost destination for the cultural arts.
THE WORLD’S GREATEST LEADERS: Play as one of 24 different leaders from various countries around the world and throughout history. Build an empire of lucrative trade routes with Cleopatra of Egypt, flex the military might of your legions with Trajan of Rome, or develop a powerhouse of culture with Hojo Tokimune of Japan. Each of the leaders can be played any way you prefer, with unique abilities, units, and infrastructure in their quest for victory.
EXPANSIVE EMPIRES: See the marvels of your empire spread across the map. Settle in uncharted lands, improve your surroundings, build new districts, and see your cities – and your civilization – prosper.
ACTIVE RESEARCH: Unlock boosts that speed your civilization’s progress through history. To advance more quickly, use your units to actively explore, develop your environment, and discover new cultures.
DYNAMIC DIPLOMACY: Interactions with other civilizations change over the course of the game, from primitive first interactions where conflict is a fact of life, to late game alliances and negotiations.
EXCITING AND UNIQUE SCENARIOS: Civilization VI for Nintendo Switch includes four playable scenarios, each with a different setting and style of gameplay inspired by history. Be part of the colonization of Australia in “Outback Tycoon,” defend Poland from invaders in “Jadwiga’s Legacy”, choose a Viking leader to plunder Europe in “Vikings, Raiders, and Traders!”, or conquer the known world in the “Conquests of Alexander.”
COOPERATIVE AND COMPETITIVE MULTIPLAYER: Up to 4 players can cooperate or compete for supremacy via a wireless LAN.