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Sejong is the most famous ruler in Korea's long history, known for his reforms and the development of the Hangul alphabet, which is still used in modern Korea some six hundred years later. In Civilization 6, he supplements Korea's famously Science-heavy gameplay with periodic bursts of Culture, letting players rush down both research trees simultaneously!

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If you've got the Great Builders pack as part of the Leader Pass DLC, you're probably eager to recreate the glory of the Joseon Dynasty. This guide has everything you need to win games as Sejong!

Korea has always been a Science powerhouse in Civilization, so it's no surprise that Sejong excels when his empire is cranking out new Technologies.

Sejong's leader ability is different from most because it only triggers once per Era. Whenever Sejong researches his first Technology from a new Era, he immediately gains Culture equal to twice his current Science output. This incentivizes you to maximize Science in every city - not hard at all while playing Korea!

Even with turbocharged Science, the extra Culture burst will, in most cases, just finish the Civic you're currently developing. It's especially handy in the late game, since you'll want powerful Policies to fuel your space race!

Korea has a slightly different approach to city layouts thanks to its Three Kingdoms ability. Farms produce one extra Food for each Seowon they're adjacent to, and Mines do the same with Science. In a perfect world, you'll be able to build your Seowons one tile apart, with Farms or Mines in between, to maximize this bonus. In practice, though, the restrictions on Seowon placement can make such a layout tough to achieve.

The Hwacha replaces the Field Cannon and is available earlier, being unlocked with the Gunpowder Technology. Like the Field Cannon, the Hwacha is a Ranged Unit, not a Siege Unit - an important distinction when you're trying to conquer a city!

Hwachas aren't any more powerful than Field Cannons, and are actually weaker if they get caught in melee, but their earlier availability and lower costs to produce and maintain make them a nasty surprise for anyone who picks a fight with Korea in the mid-game.

Mass-produce Hwacha when they become available, then consolidate them into Corps and Armies to earn Civic boosts as the game progresses.

The Seowon is Korea's not-so-secret weapons, the cornerstone of their gameplay. These centers of learning are the game's best Campuses, with half the cost to build and a flat adjacency bonus of four.

Seowons don't get any extra adjacency from terrain, but they do lose a point of adjacency for every District next to them, so be sure to build them away from your urban centers! Instead, build Mines and Farms next to your Seowon to get the full bonus from Three Kingdoms.

Unlike normal Campuses, Seowon can only be built on hills. Remember this when deciding where to settle your cities - if there's only one hill on otherwise flat land, settle the city in the lowlands and save the hill for the Seowon!

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It's important to plan out your cities ahead of time using map tacks (available near the mini-map in the lower-left corner of the screen) ahead of time in any game, but for Sejong it's absolutely critical. Korea thrives by making full use of Seowons and Three Kingdoms, so know where your research districts, Farms, and Mines are going as you settle your initial cities.

Volcanoes and Flood Plains, though dangerous, make great spots for Seowon, since the fertile soil nearby will further enhance the Seowon's Farms! Governor Liang can protect the city from natural disasters with Reinforced Materials if they start to become a problem.

Send out Scouts to try and make contact with another Civilization as soon as possible, since this triggers the Eureka for Writing. Once you have that Technology, build your Seowons and start your race to the stars.

Every city that can have a Seowon should have one, with Harbors and Commercial Hubs to fund your empire's growth. Gold can be used to keep your army ready to defend against attackers, or to buy Builders to ensure your tiles are improved. Korea should have no trouble getting the boosts for Apprenticeship (build three Mines) and Feudalism (build six Farms), both of which are among the most imporant early-game steps in Civ 6.

Once you have your engine going, larger cities can make good use of Theater Squares. You're not trying to compete with other Civilizations for Culture; rather, the Theater Squares are there to keep you on-track with Civics, with help from Hangul.

Granada is a great City-State to take as a vassal if they're available - their Alcazars provide both Culture and Science if built on high-Appeal tiles, and they double as forts if you find yourself facing an invasion!

Sejong's primary Victory Condition is always going to be Science - Korea isn't generally geared for anything else. Throughout the game, you should do everything you can to maximize your Science output; Research Alliances, City-States, and Wonders are all great ways to make this happen. Natural Philosophy and Rationalism should be taken as Policies the moment they're available and kept for the rest of the game.

Rush down the Technology tree to unlock Rocketry so that you can build Spaceports. Prepare your largest cities by making sure they have fully-upgraded and powered Industrial Zones to handle the massive projects they're about to undertake. Gaining suzerainty over Hong Kong is a good play as well, since they reduce the cost of city projects for their overlord.

While you're developing the tech to go into space, use Sejong's Culture boosts plus the extra that you're getting from Theater Squares and a Cultural Alliance to switch your government to Communism as soon as possible. The Class Struggle Civic is boosted by having three Factories, so this ties in nicely with the Industrial Zones you're building. Communism provides a bonus to both Production and Science, making it perfect for a Space Race Victory.

Once you've got a Spaceport, dedicate everything you have to the Space Race Projects; Launch Earth Satellite, Moon Landing, Mars Colony, and finally Exoplanet Expedition. Recall your Traders to the main Spaceport city (usually your capital) as they finish their routes and send them on routes that will provide high Production to speed the process.

When the Exoplanet Expedition launches, dedicate every city with a Spaceport to building LaGrange and Terrestrial Laser Stations. These are expensive, costing large quantities of Aluminum and Electricity, respectively. Trade for Aluminum if you have to, while your Builders construct renewable energy sources to power the Terrestrial Stations.

Upon reaching the Future Era, push for the Synthetic Technocracy government, which provides extra renewable energy and a Production bonus to city projects. If you have a fully-upgraded Government Plaza, you can use Communist Legacy in one of your Wildcard slots to keep the Production-per-Citizen bonus from your previous government as well!

Once your Exoplanet Expedition completes its journey, you'll be able to claim victory!

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How To Win As Sejong In Civilization 6 - TheGamer