Top similar games like Millennia:

Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.

From the creators of Long War, an alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.

Unique combination of turn-based 4X and historical grand strategy with a mythological twist. Explore the ancient world and build a world leading civilization. Survive, expand, conquer... and win!

Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?

Greetings your Excellency. Time to rebuild, reform and prepare for new challenges in the People's Republic of Basenji. In this thrilling political strategy, you will appoint ministers and lead the country to success. Be careful — you may find yourself replaced in the next election.

Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages.

A turn-based grand strategy game, simple for newbies yet challenging for masters. As the leader of a nation, you will conquer territories and advance in military, technology, culture, or politics. Choose from historical scenarios or create your own with an editor.

Take up the reins of your country, guide domestic and foreign policy, navigate thousands of historical figures and events, engage in various struggles and lead your country to prosperity – all in the name of glory!

A turn-based WWI Grand Strategy game. Rush to field new modern weaponry and survive the horrendous attrition battles. Join the global conflict between the Great Powers of the age and forge a new world order for freedom or tyranny.

You are the first sentient AI, born into a city filled with endless opportunities. Raise an army of robots and obliterate your foes, become a benevolent machine overlord, or explore countless other objectives and the many paths to accomplish them.

The award-winning strategy game franchise returns with a revolutionary new chapter. Sid Meier's Civilization® VII empowers you to build the greatest empire the world has ever known!

Take control of a country from its very first beginnings and lead it successfully to become a global hegemon. In a complex simulation of economy, diplomacy and warfare the path you chose to triumph is up to you.

Arms Race 2 is a PC strategy game based on the historical conflict between the USA and the USSR that took place in the 20th century.

Alliance of the Sacred Suns is a sci-fi grand-strategy RPG that begins with your coronation as the head of an interstellar Empire, and ends with your demise. Manage feuding noble houses and the schemes of would-be usurpers as you try to revive the glory of an Empire on the brink of collapse.

Discover and colonize the world, Allocate your labor force, Monopolize markets, Fight tactical battles, Survive the age of imperialism...

Navigate through interactions with competing powers to lead your nation to global domination in this 4X open sandbox geopolitical sim set in post-WW2 alt-history world. You have 251 years at your disposal to conquer and unify the planet or take your nation into space. Can you make it?

Island Dwellers is a calm, turn-based strategy game where you guide a small island tribe through the challenges of rising sea levels. Manage your growing population, gather resources, and explore new islands to secure the future of your tribe.

The 6th release of the "Nobunaga's Ambition" historical simulation game series has been reborn at the STEAM store as "Tenshouki with Power-up Kit HD Version." Players become the rulers of their clans and aim to unify the country under their leadership.

Lead your kingdoms. protect your lands, conquer your enemies. Stop the fallen god Draeul. Collect the Unity Runes to prevent the Corruption Curse from destroying the realm. Armies keep you in power, Heroes do your bidding and adventure to defeat the horrific creations of the curse.

A Giant Strategy Sandbox experience set in Warlord China. *Tons of playable factions! *Communist insurgents, * Boxers like rebels, *Greedy warlords, *Mongol riders, *A mad russian baron, *Shanghai gangsters, *And armored trains!

Build an empire in a single sitting. All the strategy of a classic 4X in a faster format, which also shines in multiplayer.

The second game in the series, "Nobunaga's Ambition-Nation" was released in 1986. It became the first of the series to be released outside of Japan under the name, "Nobunaga's Ambition." Players take the role of one of the main characters of the period, Nobunaga Oda, Shingen Takeda, Kenshin Uesugi, or others and try...

Field of Glory: Empires is a grand strategy game in which you will have to move in an intricate and living tapestry of nations and tribes, each one with their distinctive culture.

Choose a nation and prepare for the greatest conflict in human history, World War II. Build your military and industrial power, form alliances and race to achieve the advanced technologies that will bring total victory in this global-wide turn-based Grand Strategy struggle.

Control any country in the world. Have their politics, economy, and military in your hands. Shape your own version of WW3, a global pandemic, or create a custom scenario. Explore up to 66 planets and conquer through war or diplomacy. Become the ultimate strategist in the universe!

"NOBUNAGA’S AMBITION: Haouden with Power Up Kit" is an expanded version of "NOBUNAGA'S AMBITION: Haouden," which was released in 1992 as the 5th game in the series. Up to now in the series, warfare was focused on whole countries. Haouden changes that focus towards individual castles.

"Nobunaga's Ambition: Sengoku Gun'yuden" is the third in the series and was released in Japan in 1988 and later in the US as "Nobunaga's Ambition II." In this simulation game, players take on the role of a Daimyo of the Warring States period, attract followers, and use strategy and tactics to gain control of the 38...

Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?

Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history.

Build a nation and lead your people throughout history to the pinnacles of human achievement as you explore new lands, develop arts and culture, conduct diplomacy, and go head-to-head with your rivals to prove you are the greatest ruler ever known. It's Your World Now.

"NOBUNAGA’S AMBITION: Reppuden with Power Up Kit" is an expanded version of "NOBUNAGA'S AMBITION: Reppuden," which was released in 1999 as the 8th game in the series. Reppuden is a strategy based simulation game in which players delve into the lives of the heroes who roamed the chaotic Warring States period.

Great Houses of Calderia is a Feudal Grand Strategy game focusing on family dynamics & stories. Use your family strengths to compete against rivals to rise in the ranks of Calderia - produce, trade, scheme, bribe, and battle to build your legacy of power!

Spanning from 1356 to 1956, steer the fate of any country on Earth through six epic centuries of conflict. Diplomacy, economics, warfare and intrigue are all weapons in your arsenal to transform the world that was into the world that could be.

Nobunaga's Ambition, the first of the series, was released in 1983. Players assume the mantle of either Nobunaga Oda or Shingen Takeda and strive to conquer the entire land (17 areas in the Kansai and central Japan region). They manage their country to make it rich, then prepare their military forces.

Gilded Destiny is a grand strategy game depicting the transformative era of the Industrial Revolution. You will take the helm of the country of your choice and transform it from a backward agrarian society to an industrial powerhouse.

Historically accurate strategy game where you act as a government contractor researching, developing, and manufacturing weapons and technology for your clients. You choose the parts for each product, but be aware that cheap or wrong political choices may affect your success rate!