Best Diplomacy Steam Deck Games
Steam currently has 550 Diplomacy games, but not all of them can be played on the Steam Deck. Explore our list with 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 9/25/2025.
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1. 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 holds the #1 spot for "best Diplomacy Steam Deck game" with a Player Score of 93. Its score was calculated by analyzing a total of 32,919 reviews on Steam. This breaks down to a total of 31,205 positive reviews and 1,714 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 |
2. 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 #2 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 5,373 reviews on Steam. This breaks down to a total of 5,042 positive reviews and 331 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 |
3. 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 #3 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 10,102 reviews on Steam. This breaks down to a total of 9,357 positive reviews and 745 negative reviews — making it "Very Positive" on Steam.
It is priced at $5.99 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 | $5.99 |
| Release Date | 12/4/2020 |
| Franchise | Suzerain Universe |
| Developer | Torpor Games |
| Publishers | |
| Steam App Id | 1207650 |
4. The Last Sovereign
The Last Sovereign is an adult fantasy RPG that twists your expectations for adult games, while fully embracing a reconstruction of some familiar old tropes to provide a lot of fun, sexy content.
The Last Sovereign has achieved a Player Score of 89, placing it in the #4 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 770 reviews on Steam. This breaks down to a total of 731 positive reviews and 39 negative reviews — making it "Very Positive" on Steam.
It is completely free 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.
| Release Date | 2/15/2019 |
| Developer | Sierra Lee |
| Publisher | Sierra Lee |
| Steam App Id | 951830 |
5. The Necromancer's Tale
A story-rich gothic RPG. Master the rituals of an ancient spellbook. Raise an undead army to march against your enemies. Commune with the realm of the dead & struggle with your descent into madness. Progress through secrecy, diplomacy, blackmail, coercion & seduction until ready to reveal yourself.
The Necromancer's Tale has achieved a Player Score of 86, placing it in the #5 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 450 reviews on Steam. This breaks down to a total of 420 positive reviews and 30 negative reviews — making it "Very Positive" on Steam.
It is priced at $24.99 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 | $24.99 |
| Release Date | 7/17/2025 |
| Developers | |
| Publisher | Psychic Software |
| Steam App Id | 1315320 |
6. 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.
The Witch's Cauldron has achieved a Player Score of 86, placing it in the #6 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 601 reviews on Steam. This breaks down to a total of 552 positive reviews and 49 negative reviews — making it "Very Positive" on Steam.
It is priced at $7.99 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 | $7.99 |
| Release Date | 1/24/2024 |
| Developer | Harvey games |
| Publisher | Harvey games |
| Steam App Id | 2251010 |
7. Them Bombs
Digital cooperative board game for 2-4 players. You, your friends and a ticking bomb! Work together, communicate efficiently to save lives!
Them Bombs has achieved a Player Score of 83, placing it in the #7 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 70 reviews on Steam. This breaks down to a total of 67 positive reviews and 3 negative reviews — making it "Very Positive" on Steam.
It is priced at $10.99 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 | $10.99 |
| Release Date | 7/10/2019 |
| Developer | Yellow Dot |
| Publisher | Yellow Dot |
| Steam App Id | 806900 |
8. Divided Reigns
The full-scale, epic fantasy role-playing experience you've wanted for decades--Divided Reigns retains what made the JRPG classics so fantastic while still feeling fresh. Expect strategic battles, an epic scale, well-developed characters, and a deep and emotional story. Perfect for your Steam Deck!
Divided Reigns has achieved a Player Score of 81, placing it in the #8 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 147 reviews on Steam. This breaks down to a total of 132 positive reviews and 15 negative reviews — making it "Very Positive" on Steam.
It is priced at $9.99 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 | $9.99 |
| Release Date | 4/2/2021 |
| Developers | |
| Publisher | Nostalgia Addict Games |
| Steam App Id | 1139160 |
9. 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...
Democracy 4 has achieved a Player Score of 80, placing it in the #9 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 6,036 reviews on Steam. This breaks down to a total of 4,964 positive reviews and 1,072 negative reviews — making it "Very Positive" on Steam.
It is priced at $26.99 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 | $26.99 |
| Release Date | 1/13/2022 |
| Franchise | Positech Games |
| Developer | Positech Games |
| Publisher | Positech Games |
| Steam App Id | 1410710 |
10. 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.
Terra Invicta has achieved a Player Score of 78, placing it in the #10 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 6,813 reviews on Steam. This breaks down to a total of 5,458 positive reviews and 1,355 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. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $39.99 |
| Release Date | 9/26/2022 |
| Franchise | Hooded Horse |
| Developer | Pavonis Interactive |
| Publisher | Hooded Horse |
| Steam App Id | 1176470 |
More Diplomacy Steam Deck Verified Games
Explore even more rankings for the 10 best Diplomacy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,009 | 12/8/2023 | 93 | $29.99 | Steam Charts | |
| 176 | 8/4/2020 | 91 | $14.99 | Steam Charts | |
| 237 | 12/4/2020 | 90 | $5.99 | Steam Charts | |
| 52 | 2/15/2019 | 89 | Free | Steam Charts | |
| 14 | 7/17/2025 | 86 | $24.99 | Steam Charts | |
| 3 | 1/24/2024 | 86 | $7.99 | Steam Charts | |
| 2 | 7/10/2019 | 83 | $10.99 | Steam Charts | |
| 3 | 4/2/2021 | 81 | $9.99 | Steam Charts | |
| 77 | 1/13/2022 | 80 | $26.99 | Steam Charts | |
| 483 | 9/26/2022 | 78 | $39.99 | 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, September 25). Steam Store. Steam Store.
- Valve Corporation. (2025, September 25). Against the Storm on Steam. Steam Store.
- Valve Corporation. (2025, September 29). The Battle of Polytopia on Steam. Steam Store.
- Valve Corporation. (2025, September 19). Suzerain on Steam. Steam Store.
- Valve Corporation. (2025, September 27). The Last Sovereign on Steam. Steam Store.
- Valve Corporation. (2025, September 27). The Necromancer's Tale on Steam. Steam Store.
- Valve Corporation. (2025, September 24). The Witch's Cauldron on Steam. Steam Store.
- Valve Corporation. (2025, August 23). Them Bombs on Steam. Steam Store.
- Valve Corporation. (2025, September 18). Divided Reigns on Steam. Steam Store.
- Valve Corporation. (2025, September 20). Democracy 4 on Steam. Steam Store.
- Valve Corporation. (2025, September 29). Terra Invicta on Steam. Steam Store.