Best Diplomacy Steam Games on Sale
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated diplomacy games.
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Eastern Era
To escape from pursuit, as the leader of your sect, guide your disciples to rise again! Engage in farming and hunting, train in martial arts, and forge weapons and armor. Build your sect's base and fortifications from the ground up to survive in this perilous, ambition-filled martial world!
Heart of the Machine
You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.
Rise of Piracy
The perfect blend of Action, Adventure and RTS. Begin your journey as the lowly captain of a small vessel. End as the commander of a threatening fleet. Rise to glory how you see fit. Trade, fight, recruit, grow, pillage, ally, destroy & conquer.
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.
Whiskerwood
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
Europa Universalis V
Use war, trade or diplomacy to satisfy your grandest ambitions and dominate five centuries of history in the newest version of Europa Universalis, Paradox Interactive's flagship historical grand strategy game.
Politics The Game
Become a parliamentarian, create a powerful party, and lead it to victory in this humorous adventure game. Manage your popularity and dignity, use unique powers, and navigate a storyline inspired by current events.
ENDLESS™ Legend 2
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
House of Legacy
Step into the shoes of a fallen clan leader, starting with nothing but a crumbling estate and a handful of hopes, rising through careful planning, trade, and diplomacy to become one of the most powerful families in the land. Now it’s time to forge a legendary dynasty that leaves its mark on history.
KAISERPUNK
Build a city to rule the world in Kaiserpunk, a grand city builder blending production-focused city building with world conquest in an alternate 20th century world. Manage your city, grow industries, build a military, and defeat rivals to become the greatest empire.
Technotopia
Welcome to Technotopia, a city-builder card game. Take on the role of an AI designed to build a perfect city. Build districts, meet the needs of diverse communities and maintain the delicate balance between factions vying for control over you!
Breachway
Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.
Republic of Pirates
Establish and grow a pirate utopia during the Golden Age of Piracy. Create a resource-based economy, engage in real-time naval combat, and conduct diplomacy with rival powers. Explore the far reaches of the Caribbean in search of the ultimate fortune and glory.
Fabledom
Set in a wholesome fairytale world, Fabledom is a laid-back City builder. Enjoy the growth of your settlement, interact with your neighbors and defend your kingdom from magical creatures. All to find true love and live happily ever after!
Great Houses of Calderia
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!
Revival: Recolonization
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.
The Witch's Cauldron
The Witch's Cauldron is a narrative roguelike game about being a medieval witch. Grab your cauldron and get brewing. Love, curses, laughter, wisdom for sale! Do what thou wilt shall be the whole of the Law. At least before the inquisitors come around.
World Warfare & Economics
Take control of any nation and shape its future. Manage resources, trade, and taxes, engage in real-time warfare, navigate global diplomacy, and react to dynamic world events. Build a thriving economy, forge alliances, and command armies in a constantly evolving world!
Rise Of The White Sun - 白日升
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.
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, and please 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 multiplayer-only 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?
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.
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?
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.