Best Diplomacy Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated diplomacy games. For those who prefer not to search, lists of the most played, top deals and best free diplomacy games are available at the bottom of the page.
Filters & Lists
Rise Of The White Sun
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!
Dune: Spice Wars
A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.
Highrise City
Highrise City offers a new spin on City Simulations & Tycoon games expanding the economy and resource management aspect. Experience a modern take on the genre enriched with a complex resource based economy system.
Lawgivers II
Lawgivers II is a political sandbox game that features multiple electoral systems, approve/reject bills and govern a country. Start out your career from the very bottom, and perhaps one day, lead your nation to become the most influential in the world.
Supreme Ruler 2030
Rise to power as any modern day country in a realistic military, political and economic simulation. Command your country's diplomacy, espionage, and resource management to strengthen your position. Use real-time tactical control of your military to fortify your place as the Supreme Ruler.
Goblins of Elderstone
This Goblin Tribe Simulator brings a challenging blend of chaos and creativity to the city-building genre. Build dwellings, manage your resources, defend your goblins, and grow your tribe to face other races and even the Gods! Do you have what it takes to control the chaos and rule the unruly?
King Of The Castle
Take your rightful place on the throne in this political party game for 4+ players. Rule the kingdom with an iron fist or silver tongue as you steer through bloodshed, intrigue & madcap disaster! Can you keep your crown when others plot your downfall? More importantly, can you keep your head?
Ages of Conflict: World War Simulator
Ages of Conflict is a versatile Map Simulation game where you create and observe custom AI nations battle it out across an infinite number of worlds. Paint beautiful maps and scenarios, and command nations to change history into your liking!
Pharaoh™: A New Era
The legendary city-builder returns! Lead the creation of one of the greatest civilizations the world has ever seen in this HD remake with modernized UI. Build monuments, manage your population and explore 4,000 years of history through over a hundred hours of gameplay.
Victoria 3
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.
Terra Invicta
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.
Idle Research
Idle Research is an addictive, resource management, incremental game with both idle and active playstyles. Research and craft colorful Flasks and Tubes to earn as much Energy as possible! Big numbers guaranteed.
Half-Earth Socialism
Try your hand as a global planner of a future society. Play with a wide range of technologies and policies spanning different fields and ideologies. Will you lead the world to ecological utopia or planetary ruin?
Old World
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?
Dummynation
Geopolitical management game with real-time shifting borders and a streamlined gameplay, designed to minimize all burdensome chores while allowing an absolute strategic control, from military recruitment and deployment, to diplomatic and economic management.
NEBULOUS: Fleet Command
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Democracy 4
Democracy 4 lets you take the role of President / Prime minister, govern the country (choosing its policies, laws and other actions), and both transform the country as you see fit, while trying to retain enough popularity to get re-elected...
This Is the President
This Is the President is a political thriller. You are the newly elected leader with a shady background. It is up to you to abuse the position of the most powerful man in the world to escape justice for past crimes – even if that pitches the country into utter chaos.
Rebel Inc: Escalation
A unique and deeply engaging political/military strategic simulation from the creator of Plague Inc. Balance competing civilian and military priorities and deal with a deadly insurgency in order to stabilise a war-torn country.
Star Dynasties
Take the reins of a feudal dynasty in a divided galaxy following the destruction of earth. Star Dynasties is a turn based, procedurally generated narrative of human drama and personal politics, mixed with a light empire management layer. Your choices. Your legacy.
Ambition: A Minuet in Power
18th century Paris - a city of love, lies and revolution. You are a woman of fashion trying to survive the political turmoil. Date a cast of unforgettable characters. Amass the wealth and respect you deserve. Engage in gossip that can alter the course of history, or lead you to the guillotine.
HighFleet
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
Most played diplomacy games on Steam
Take a look at the top diplomacy games that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. ROMANCE OF THE THREE KINGDOMS XIV
Triumph over the land, take charge of the fate of China! Conquer territories and fly your colors! ROMANCE OF THE THREE KINGDOMS XIV is a turn-based tactics, wargame and military game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on January 15th 2020 has received 15,111 reviews of which 9,421 were positive and 5,690 were negative resulting in a rating of 6.2 out of 10. The game has hit the top spot as the #1 most played diplomacy game, thanks to its 1,069 peak concurrent players over the last day.
6.2
9,421
5,690
1,069
players
2. Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay. Sins of a Solar Empire®: Rebellion is a management, diplomacy and online co-op game developed by Stardock Entertainment and Ironclad Games Corporation and published by Stardock Entertainment. Released on June 12th 2012 has received 16,015 reviews of which 14,919 were positive and 1,096 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 334 players online at once in the last 24 hours, this game is currently ranked #2 among diplomacy games based on player count.
9.1
14,919
1,096
334
players
3. NOBUNAGA'S AMBITION: Sphere of Influence - Ascension
In the simulation game series "Nobunaga's Ambition", players aim to unify Japan in the troubled times of the Warring States era. In this release we include "Officer Play" for the first time in the series, allowing players to advance from retainer to Castle Lord and then on to Daimyo. NOBUNAGA'S AMBITION: Sphere of Influence - Ascension is a wargame, immersive sim and real time tactics game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on March 23rd 2016 has received 1,046 reviews of which 732 were positive and 314 were negative resulting in a rating of 6.8 out of 10. While seeing 234 players online at once in the last 24 hours, this game is currently ranked #3 among diplomacy games based on player count.
6.8
732
314
234
players
4. Romance of the Three Kingdoms X with Power Up Kit
"Romance of the Three Kingdoms Ⅹ with Power Up Kit" is an expanded version of "Romance of the Three Kingdoms Ⅹ," which was released in 2004 as the 10th game in the series. In this release, the all-officer playable advances. Romance of the Three Kingdoms X with Power Up Kit is a turn-based tactics, wargame and immersive sim game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on December 05th 2017 has received 662 reviews of which 546 were positive and 116 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #4 spot among the most played diplomacy games.
7.8
546
116
59
players
5. Romance of the Three Kingdoms XII with Power Up Kit
"Romance of the Three Kingdoms 12 with Power Up Kit" is an expanded version of "Romance of the Three Kingdoms 12," which was released in 2012 as the 12th game in the series. The stage is set. Create the story. Romance of the Three Kingdoms XII with Power Up Kit is a turn-based tactics, wargame and immersive sim game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on January 16th 2018 has received 409 reviews of which 303 were positive and 106 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #5 spot among the most played diplomacy games.
7.0
303
106
42
players
6. A Game of Thrones: The Board Game - Digital Edition
A Game of Thrones: The Board Game – Digital Edition is the digital adaptation of the top-selling strategy board game from Fantasy Flight Games. A Game of Thrones: The Board Game - Digital Edition is a strategy, board game and social deduction game developed by Dire Wolf and published by Twin Sails Interactive. Released on October 06th 2020 has received 1,812 reviews of which 1,267 were positive and 545 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #6 spot among the most played diplomacy games.
6.8
1,267
545
37
players
7. Solium Infernum
Take the Infernal Throne in this hellish turn-based grand strategy game. The Prince of Darkness has vanished, leaving Archfiends to conspire: muster your legions while intoning dark sorceries, devilish schemes, and machiavellian plots. Who will be the new ruler of Hell and ascend the Throne? Solium Infernum is a strategy, turn-based strategy and politics game developed and published by League of Geeks. Released on February 22nd 2024 has received 1,486 reviews of which 1,304 were positive and 182 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #7 spot among the most played diplomacy games.
8.4
1,304
182
27
players
8. Realpolitiks
Become the leader of any contemporary country in this streamlined real-time grand strategy game. Use diplomacy, espionage, military and economic power to deal with other nations, while tackling issues such as terrorism, financial crises and medical epidemics, all in an effort to achieve global domination! Realpolitiks is a strategy, diplomacy and political sim game developed by Jujubee S.A. and published by Fulqrum Publishing. Released on February 16th 2017 has received 1,204 reviews of which 743 were positive and 461 were negative resulting in a rating of 6.0 out of 10. The game currently holds the #8 spot among the most played diplomacy games.
6.0
743
461
9
players
9. Power & Revolution 2020 Edition
The new version of Geopolitical Simulator 4, the ultrarealistic simulator of today's world where you play as the head of state or as the opposition! Stop the spread of the Covid-19 pandemic and restart the economy, participate in the US elections or engage in lightning wars with new 2020 scenarios. Power & Revolution 2020 Edition is a simulation, strategy and diplomacy game developed and published by Eversim. Released on September 17th 2020 has received 840 reviews of which 524 were positive and 316 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #9 spot among the most played diplomacy games.
6.1
524
316
8
players
10. Romance of the Three Kingdoms Maker
"Romance of the Three Kingdoms Maker" celebrates the 30th anniversary of the "Romance of the Three Kingdoms" series. It has been realized through a collaboration between the creators of the "Romance of the Three Kingdoms" series, Koei Tecmo Games, and the creators of the "TSUKURU" series, KADOKAWA. Romance of the Three Kingdoms Maker is a turn-based tactics, wargame and immersive sim game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on December 09th 2015 has received 326 reviews of which 217 were positive and 109 were negative resulting in a rating of 6.4 out of 10. The game currently holds the #10 spot among the most played diplomacy games.
6.4
217
109
5
players
Best deals on diplomacy games on Steam
Discover fantastic savings with the best discounts on a variety of diplomacy games available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted diplomacy games.
1. Realpolitiks
Become the leader of any contemporary country in this streamlined real-time grand strategy game. Use diplomacy, espionage, military and economic power to deal with other nations, while tackling issues such as terrorism, financial crises and medical epidemics, all in an effort to achieve global domination! Realpolitiks is a strategy, diplomacy and political sim game developed by Jujubee S.A. and published by Fulqrum Publishing. Released on February 16th 2017 has received 1,204 reviews of which 743 were positive and 461 were negative resulting in a rating of 6.0 out of 10. Featuring a massive 94% discount, this game currently holds the #1 spot in the best deals for diplomacy category.
6.0
743
461
-94%
14.99€
0.97€
2. A Game of Thrones: The Board Game - Digital Edition
A Game of Thrones: The Board Game – Digital Edition is the digital adaptation of the top-selling strategy board game from Fantasy Flight Games. A Game of Thrones: The Board Game - Digital Edition is a strategy, board game and social deduction game developed by Dire Wolf and published by Twin Sails Interactive. Released on October 06th 2020 has received 1,812 reviews of which 1,267 were positive and 545 were negative resulting in a rating of 6.8 out of 10. Thanks to its incredible 85% discount, this game is now the #2 best deal in diplomacy games.
6.8
1,267
545
-85%
19.99€
3.16€
3. Romance of the Three Kingdoms X with Power Up Kit
"Romance of the Three Kingdoms Ⅹ with Power Up Kit" is an expanded version of "Romance of the Three Kingdoms Ⅹ," which was released in 2004 as the 10th game in the series. In this release, the all-officer playable advances. Romance of the Three Kingdoms X with Power Up Kit is a turn-based tactics, wargame and immersive sim game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on December 05th 2017 has received 662 reviews of which 546 were positive and 116 were negative resulting in a rating of 7.8 out of 10. Thanks to its 50% discount, this game is now the #3 best deal in diplomacy games.
7.8
546
116
-50%
27.99€
13.99€
4. Romance of the Three Kingdoms XII with Power Up Kit
"Romance of the Three Kingdoms 12 with Power Up Kit" is an expanded version of "Romance of the Three Kingdoms 12," which was released in 2012 as the 12th game in the series. The stage is set. Create the story. Romance of the Three Kingdoms XII with Power Up Kit is a turn-based tactics, wargame and immersive sim game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on January 16th 2018 has received 409 reviews of which 303 were positive and 106 were negative resulting in a rating of 7.0 out of 10. Currently offered at a 50% discount, this title has earned the #4 position in the best deals for diplomacy games.
7.0
303
106
-50%
36.99€
18.49€
5. NOBUNAGA'S AMBITION: Sphere of Influence - Ascension
In the simulation game series "Nobunaga's Ambition", players aim to unify Japan in the troubled times of the Warring States era. In this release we include "Officer Play" for the first time in the series, allowing players to advance from retainer to Castle Lord and then on to Daimyo. NOBUNAGA'S AMBITION: Sphere of Influence - Ascension is a wargame, immersive sim and real time tactics game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on March 23rd 2016 has received 1,046 reviews of which 732 were positive and 314 were negative resulting in a rating of 6.8 out of 10. Currently offered at a 50% discount, this title has earned the #5 position in the best deals for diplomacy games.
6.8
732
314
-50%
59.99€
29.99€
6. Romance of the Three Kingdoms Maker
"Romance of the Three Kingdoms Maker" celebrates the 30th anniversary of the "Romance of the Three Kingdoms" series. It has been realized through a collaboration between the creators of the "Romance of the Three Kingdoms" series, Koei Tecmo Games, and the creators of the "TSUKURU" series, KADOKAWA. Romance of the Three Kingdoms Maker is a turn-based tactics, wargame and immersive sim game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on December 09th 2015 has received 326 reviews of which 217 were positive and 109 were negative resulting in a rating of 6.4 out of 10. Currently offered at a 50% discount, this title has earned the #6 position in the best deals for diplomacy games.
6.4
217
109
-50%
9.99€
4.99€
7. ROMANCE OF THE THREE KINGDOMS XIV
Triumph over the land, take charge of the fate of China! Conquer territories and fly your colors! ROMANCE OF THE THREE KINGDOMS XIV is a turn-based tactics, wargame and military game developed and published by KOEI TECMO GAMES CO. and LTD.. Released on January 15th 2020 has received 15,111 reviews of which 9,421 were positive and 5,690 were negative resulting in a rating of 6.2 out of 10. Currently offered at a 40% discount, this title has earned the #7 position in the best deals for diplomacy games.
6.2
9,421
5,690
-40%
59.99€
35.99€
Free diplomacy games on Steam
Check out this fantastic list of free-to-play diplomacy games you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play diplomacy games.
1. The Life and Suffering of Sir Brante — Chapter 1&2
A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide! The Life and Suffering of Sir Brante — Chapter 1&2 is a interactive fiction, choose your own adventure and diplomacy game developed by Sever and published by 101XP. Released on December 01st 2020 has received 2,027 reviews of which 1,954 were positive and 73 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #1 spot among the most played free diplomacy games on Steam.
9.2
1,954
73