Best Diplomacy Steam Deck Games
Steam currently has 614 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 3/12/2026.
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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 35,343 reviews on Steam. This breaks down to a total of 33,477 positive reviews and 1,866 negative reviews — making it "Very Positive" on Steam.
It is priced at $8.99 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 | $8.99 |
| 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 5,709 reviews on Steam. This breaks down to a total of 5,366 positive reviews and 343 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. 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.
Politics The Game has achieved a Player Score of 91, placing it in the #3 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 2,164 reviews on Steam. This breaks down to a total of 2,055 positive reviews and 109 negative reviews — making it "Very Positive" on Steam.
It is priced at $9.99 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 | $9.99 |
| Release Date | 10/22/2025 |
| Franchise | SimplicityGames |
| Developer | Simplicity Games |
| Publisher | Simplicity Games |
| Steam App Id | 2999060 |
4. 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 #4 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 11,006 reviews on Steam. This breaks down to a total of 10,194 positive reviews and 812 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 |
5. The Last Sovereign
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
The Last Sovereign has achieved a Player Score of 90, placing it in the #5 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 1,065 reviews on Steam. This breaks down to a total of 1,015 positive reviews and 50 negative reviews — making it "Overwhelmingly 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 | 10/24/2025 |
| Developer | Sierra Lee |
| Publisher | Sierra Lee |
| Steam App Id | 951830 |
6. 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.
Heart of the Machine has achieved a Player Score of 88, placing it in the #6 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 1,679 reviews on Steam. This breaks down to a total of 1,559 positive reviews and 120 negative reviews — making it "Very Positive" on Steam.
It is priced at $14.99 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 | $14.99 |
| Release Date | 3/6/2026 |
| Franchise | Arcen Games |
| Developer | Arcen Games |
| Publisher | Hooded Horse |
| Steam App Id | 2001070 |
7. 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 87, placing it in the #7 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 748 reviews on Steam. This breaks down to a total of 696 positive reviews and 52 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 |
8. 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 #8 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 618 reviews on Steam. This breaks down to a total of 569 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 |
9. 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 81, placing it in the #9 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 78 reviews on Steam. This breaks down to a total of 72 positive reviews and 6 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 | 7/11/2019 |
| Developer | Yellow Dot |
| Publisher | Yellow Dot |
| Steam App Id | 806900 |
10. 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 80, placing it in the #10 spot for the best Diplomacy Steam Deck games. Its score was calculated by analyzing a total of 154 reviews on Steam. This breaks down to a total of 137 positive reviews and 17 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 |
More Diplomacy Steam Deck Verified Games
Explore even more rankings for the 10 best Diplomacy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 942 | 12/8/2023 | 93 | $8.99 | Steam Charts | |
| 232 | 8/4/2020 | 91 | $14.99 | Steam Charts | |
| 1 | 10/22/2025 | 91 | $9.99 | Steam Charts | |
| 237 | 12/4/2020 | 90 | $5.99 | Steam Charts | |
| 147 | 10/24/2025 | 90 | Free | Steam Charts | |
| 239 | 3/6/2026 | 88 | $14.99 | Steam Charts | |
| 30 | 7/17/2025 | 87 | $24.99 | Steam Charts | |
| 1 | 1/24/2024 | 86 | $7.99 | Steam Charts | |
| 4 | 7/11/2019 | 81 | $10.99 | Steam Charts | |
| 4 | 4/2/2021 | 80 | $9.99 | 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. (2026, March 12). Steam Store. Steam Store.
- Valve Corporation. (2026, March 12). Against the Storm on Steam. Steam Store.
- Valve Corporation. (2026, March 11). The Battle of Polytopia on Steam. Steam Store.
- Valve Corporation. (2026, March 12). Politics The Game on Steam. Steam Store.
- Valve Corporation. (2026, March 11). Suzerain on Steam. Steam Store.
- Valve Corporation. (2026, March 9). The Last Sovereign on Steam. Steam Store.
- Valve Corporation. (2026, March 13). Heart of the Machine on Steam. Steam Store.
- Valve Corporation. (2026, February 6). The Necromancer's Tale on Steam. Steam Store.
- Valve Corporation. (2026, March 15). The Witch's Cauldron on Steam. Steam Store.
- Valve Corporation. (2026, February 26). Them Bombs on Steam. Steam Store.
- Valve Corporation. (2026, March 8). Divided Reigns on Steam. Steam Store.