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, check out lists of the most played, top deals and best free to play Diplomacy games on Steam.

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NOBUNAGA'S AMBITION: Souzou The 14th entry of the the historical simulation series "Nobunaga's Ambition." Become a daimyō of the Warring States era, and unite the land! With "the creation of a new age" as the key concept, this title features beautifully recreated castle towns, dynamic battlefield action and dramatic event scenes.

Price 21.99€
Rating 8.2
Release 27 Aug 2014
Europa Universalis IV 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.

Price -95% 2.55€
Rating 8.6
Release 13 Aug 2013
Fallen Enchantress: Legendary Heroes Fallen Enchantress is 4X strategy game from the makers of Sins of a Solar Empire and Galactic Civilizations. Build a civilization in the magical world of Elemental. Recruit heroes, train armies, build cities, forge alliances and save the world in this rich world where it's never the same game twice.

Price -96% 1.12€
Rating 7.2
Release 22 May 2013
ENDLESS™ Space - Definitive Edition ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the Endless universe, where you can control every aspect of your civilization as you strive for galactic domination.

Price 9.99€
Rating 7.9
Release 04 Jul 2012
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.

Price 18.49€
Rating 9.1
Release 12 Jun 2012
Crusader Kings II Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.

Price Free to play
Rating 8.9
Release 14 Feb 2012
Galactic Civilizations® II: Ultimate Edition Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

Price 9.49€
Rating 7.4
Release 02 Dec 2011
Sins of a Solar Empire: Trinity® In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.

Price 9.49€
Rating 7.4
Release 16 Nov 2011
Total War: SHOGUN 2 Total War: SHOGUN 2 is the perfect mix of real-time and turn-based strategy gaming for newcomers and veterans alike.

Price -90% 3.22€
Rating 8.9
Release 14 Mar 2011
Sid Meier's Civilization® V Create, discover, and download new player-created maps, scenarios, interfaces, and more!

Price 29.99€
Rating 9.5
Release 23 Sep 2010
Victoria II Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly great power by the dawn of the 20th century. Victoria II is a grand strategy game played during the colonial era of the 19th century, where the player takes control of a country, guiding...

Price -89% 2.24€
Rating 9.0
Release 30 Aug 2010
Knights of Honor As King, it is your duty to lead your people in their struggle to raise your kingdom from its humble beginnings to a position of power and prestige. War, diplomacy and a burgeoning economy are the means by which you increase your power and expand your influence.

Price -51% 4.94€
Rating 8.9
Release 04 Feb 2009
Sid Meier's Civilization® III Complete Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery.

Price 4.99€
Rating 8.7
Release 25 Oct 2006
DEFCON Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

Price -91% 1.16€
Rating 8.4
Release 29 Sep 2006