Best Diplomacy Games on Steam
Steam currently has 569 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 11/4/2025.
Looking for more? Explore other lists such as:
- Free diplomacy games on Steam
- Best diplomacy Steam Deck games
- Best diplomacy Linux games on Steam
- Best diplomacy Steam games for Mac OS
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Sid Meier's Civilization® V
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
Sid Meier's Civilization® V holds the #1 spot for "best Diplomacy game on Steam" with a Player Score of 94. Its score was calculated by analyzing a total of 206,781 reviews on Steam. This breaks down to a total of 197,608 positive reviews and 9,173 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.89 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 | $9.89 |
| 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 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 33,335 reviews on Steam. This breaks down to a total of 31,600 positive reviews and 1,735 negative reviews — making it "Very 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 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!
Ages of Conflict: World War Simulator has achieved a Player Score of 93, placing it in the #3 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 6,021 reviews on Steam. This breaks down to a total of 5,783 positive reviews and 238 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 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 2,031 reviews on Steam. This breaks down to a total of 1,957 positive reviews and 74 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.
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 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 16,131 reviews on Steam. This breaks down to a total of 15,026 positive reviews and 1,105 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 not possible to play or run Sins of a Solar Empire®: Rebellion on the Steam Deck.
| Steam Price | $19.99 |
| Release Date | 6/12/2012 |
| Developers | |
| Publisher | Stardock Entertainment |
| Steam App Id | 204880 |
6. 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 has achieved a Player Score of 91, placing it in the #6 spot for the best Diplomacy games. Its score was calculated by analyzing a total of 5,454 reviews on Steam. This breaks down to a total of 5,120 positive reviews and 334 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 |
7. 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.
Total War: SHOGUN 2 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 65,117 reviews on Steam. This breaks down to a total of 59,719 positive reviews and 5,398 negative reviews — making it "Very Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is not possible to play or run Total War: SHOGUN 2 on the Steam Deck.
| Steam Price | $29.99 |
| Release Date | 3/15/2011 |
| Developers | |
| Publishers | |
| Steam App Id | 34330 |
8. 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 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 10,339 reviews on Steam. This breaks down to a total of 9,583 positive reviews and 756 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 |
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 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 19,714 reviews on Steam. This breaks down to a total of 18,173 positive reviews and 1,541 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 |
| Franchise | Victoria - Official |
| Developer | Paradox Development Studio |
| Publisher | Paradox Interactive |
| Steam App Id | 42960 |
10. 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 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 598 reviews on Steam. This breaks down to a total of 578 positive reviews and 20 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 |
More Diplomacy Games
Explore even more rankings for the 100 best Diplomacy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 10,394 | 9/23/2010 | 94 | $9.89 | Steam Charts | |
| 913 | 12/8/2023 | 93 | $29.99 | Steam Charts | |
| 163 | 2/17/2023 | 93 | $6.99 | Steam Charts | |
| 1 | 12/1/2020 | 92 | Free | Steam Charts | |
| 203 | 6/12/2012 | 91 | $19.99 | Steam Charts | |
| 190 | 8/4/2020 | 91 | $14.99 | Steam Charts | |
| 1,788 | 3/15/2011 | 90 | $29.99 | Steam Charts | |
| 147 | 12/4/2020 | 90 | $19.99 | Steam Charts | |
| 154 | 8/30/2010 | 90 | $19.99 | Steam Charts | |
| 1 | 5/31/2021 | 90 | $2.99 | Steam Charts | |
 | 25,894 | 6/6/2016 | 90 | $49.99 | Steam Charts | |
 | 101 | 10/24/2025 | 90 | Free | Steam Charts | |
 | 83 | 3/29/2021 | 90 | $19.99 | Steam Charts | |
 | 177 | 10/22/2025 | 89 | $9.99 | Steam Charts | |
 | 925 | 2/14/2012 | 89 | Free | Steam Charts | |
 | 888 | 1/16/2018 | 89 | $39.99 | Steam Charts | |
 | 25 | 2/4/2009 | 89 | $9.99 | Steam Charts | |
 | 450 | 11/21/2018 | 88 | $4.99 | Steam Charts | |
 | 23 | 1/31/2025 | 88 | $29.99 | Steam Charts | |
 | 3 | 9/4/2024 | 88 | $11.99 | Steam Charts |
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. (2025, November 4). Steam Store. Steam Store.
- Valve Corporation. (2025, November 4). Sid Meier's Civilization® V on Steam. Steam Store.
- Valve Corporation. (2025, November 11). Against the Storm on Steam. Steam Store.
- Valve Corporation. (2025, November 12). Ages of Conflict: World War Simulator on Steam. Steam Store.
- Valve Corporation. (2025, October 25). The Life and Suffering of Sir Brante — Chapter 1&2 on Steam. Steam Store.
- Valve Corporation. (2025, November 11). Sins of a Solar Empire®: Rebellion on Steam. Steam Store.
- Valve Corporation. (2025, November 12). The Battle of Polytopia on Steam. Steam Store.
- Valve Corporation. (2025, November 9). Total War: SHOGUN 2 on Steam. Steam Store.
- Valve Corporation. (2025, November 6). Suzerain on Steam. Steam Store.
- Valve Corporation. (2025, October 20). Victoria II on Steam. Steam Store.
- Valve Corporation. (2025, October 15). The Advisor - Episode 1: Royal Pain on Steam. Steam Store.