Best Diplomacy Games on Steam

Steam currently has 349 Diplomacy games available to download and play. Explore our list of the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Diplomacy game rankings were last updated on 5/24/2024.

Looking for more? Explore other lists such as:

1. Sid Meier's Civilization® V

Create, discover, and download new player-created maps, scenarios, interfaces, and more!

Sid Meier's Civilization® V banner

Sid Meier's Civilization® V holds the #1 spot for "best Diplomacy game on Steam" with a Player Score of 95. Its score was calculated by analyzing a total of 197,496 reviews on Steam. This breaks down to a total of 189,892 positive reviews and 7,604 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $7.49 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Sid Meier's Civilization® V on the Steam Deck (though some functionality may be limited).

Steam Price $7.49
Release Date 9/23/2010
Franchise Civilization Franchise
Developers
Publishers
Steam App Id 8930

2. Against the Storm

A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.

Against the Storm banner

Against the Storm has achieved a Player Score of 93, placing it in the #2 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 24,373 reviews on Steam. This breaks down to a total of 23,215 positive reviews and 1,158 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $29.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $29.99
Release Date 12/8/2023
Franchise Hooded Horse
Developer Eremite Games
Publisher Hooded Horse
Steam App Id 1336490

3. Ages of Conflict: World War Simulator

Ages of Conflict is a versatile Map Simulation game where you spawn and observe custom or random AI nations battle it out across an infinite number of worlds. Command nations to nudge the world events into your liking.

Ages of Conflict: World War Simulator banner

Ages of Conflict: World War Simulator has achieved a Player Score of 92, placing it in the #3 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 2,471 reviews on Steam. This breaks down to a total of 2,379 positive reviews and 92 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $6.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Ages of Conflict: World War Simulator on the Steam Deck (though some functionality may be limited).

Steam Price $6.99
Release Date 2/17/2023
Developer JoySpark Games
Publisher JoySpark Games
Steam App Id 2186320

4. 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 banner

The Life and Suffering of Sir Brante — Chapter 1&2 has achieved a Player Score of 92, placing it in the #4 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 2,026 reviews on Steam. This breaks down to a total of 1,956 positive reviews and 70 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is completely free to play and can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

Release Date 12/1/2020
Franchise 101XP
Developer Sever
Publisher 101XP
Steam App Id 1460090

5. 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 banner

Sins of a Solar Empire®: Rebellion has achieved a Player Score of 91, placing it in the #5 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 15,567 reviews on Steam. This breaks down to a total of 14,511 positive reviews and 1,056 negative reviews — making it "Very Positive" on Steam.

It is priced at $39.99 to play and can be played and ran on Windows systems. At the moment, it is not possible to play or run Sins of a Solar Empire®: Rebellion on the Steam Deck.

Steam Price $39.99
Release Date 6/12/2012
Developers
Publisher Stardock Entertainment
Steam App Id 204880

6. The Advisor - Episode 1: Royal Pain

The Advisor Series is a player-driven narrative where your choices & decisions, both in the game, and out of the game, determine how future episodes unfold. Play the role of villain protagonist Magnus the Magician, as he wreaks havoc across the land, one well-placed fireball at a time!

The Advisor - Episode 1: Royal Pain banner

The Advisor - Episode 1: Royal Pain has achieved a Player Score of 90, placing it in the #6 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 559 reviews on Steam. This breaks down to a total of 545 positive reviews and 14 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $2.99 to play and can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

Steam Price $2.99
Release Date 5/31/2021
Developer Randumb Studios
Publisher Randumb Studios
Steam App Id 1601680

7. Suzerain

Assume the role of President Anton Rayne and guide the nation of Sordland. Amidst brewing international conflicts, need for reform, deep-seated corruption, and economic recession, you must make the decisions in this political drama. How will you lead?

Suzerain banner

Suzerain has achieved a Player Score of 90, placing it in the #7 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 7,022 reviews on Steam. This breaks down to a total of 6,558 positive reviews and 464 negative reviews — making it "Very Positive" on Steam.

It is priced at $19.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $19.99
Release Date 12/4/2020
Franchise Suzerain Universe
Developer Torpor Games
Publishers
Steam App Id 1207650

8. The Battle of Polytopia

Welcome to the unique, turn-based strategy game set in the strange, flat world of the Square. Lead one of 16 distinct civilizations to victory by expanding your empire, researching technologies, and ultimately become ruler of the world! Play in single-player or multiplayer mode for up to 16 players.

The Battle of Polytopia banner

The Battle of Polytopia has achieved a Player Score of 90, placing it in the #8 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 4,340 reviews on Steam. This breaks down to a total of 4,075 positive reviews and 265 negative reviews — making it "Very Positive" on Steam.

It is priced at $14.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $14.99
Release Date 8/4/2020
Developer Midjiwan AB
Publisher Midjiwan AB
Steam App Id 874390

9. 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...

Victoria II banner

Victoria II has achieved a Player Score of 90, placing it in the #9 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 18,634 reviews on Steam. This breaks down to a total of 17,216 positive reviews and 1,418 negative reviews — making it "Very Positive" on Steam.

It is priced at $19.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play Victoria II on the Steam Deck (though some functionality may be limited).

Steam Price $19.99
Release Date 8/30/2010
Developer Paradox Development Studio
Publisher Paradox Interactive
Steam App Id 42960

10. Hearts of Iron IV

Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.

Hearts of Iron IV banner

Hearts of Iron IV has achieved a Player Score of 90, placing it in the #10 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 286,548 reviews on Steam. This breaks down to a total of 260,971 positive reviews and 25,577 negative reviews — making it "Very Positive" on Steam.

It is priced at $14.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Hearts of Iron IV on the Steam Deck (though some functionality may be limited).

Steam Price $14.99
Release Date 6/6/2016
Franchise Paradox Interactive - Official
Developer Paradox Development Studio
Publisher Paradox Interactive
Steam App Id 394360

More Diplomacy Games

Explore even more rankings for the 100 best Diplomacy games available on Steam.

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.

  • Valve Corporation. (2024, May 24). Steam Store. Steam Store.
  • Valve Corporation. (2024, May 24). Sid Meier's Civilization® V on Steam. Steam Store.
  • Valve Corporation. (2024, May 23). Against the Storm on Steam. Steam Store.
  • Valve Corporation. (2024, May 11). Ages of Conflict: World War Simulator on Steam. Steam Store.
  • Valve Corporation. (2024, April 20). The Life and Suffering of Sir Brante — Chapter 1&2 on Steam. Steam Store.
  • Valve Corporation. (2024, May 20). Sins of a Solar Empire®: Rebellion on Steam. Steam Store.
  • Valve Corporation. (2024, May 13). The Advisor - Episode 1: Royal Pain on Steam. Steam Store.
  • Valve Corporation. (2024, May 23). Suzerain on Steam. Steam Store.
  • Valve Corporation. (2024, May 22). The Battle of Polytopia on Steam. Steam Store.
  • Valve Corporation. (2024, May 23). Victoria II on Steam. Steam Store.
  • Valve Corporation. (2024, May 21). Hearts of Iron IV on Steam. Steam Store.

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