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.

Looking for more? Explore other lists such as:

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 banner

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 banner

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 banner

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 banner

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 banner

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 banner

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 banner

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 banner

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 banner

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 banner

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.

ImageName
Actions
Against the Storm steam charts
1,009
12/8/2023
93
$29.99
Steam Charts
The Battle of Polytopia steam charts
176
8/4/2020
91
$14.99
Steam Charts
Suzerain steam charts
237
12/4/2020
90
$5.99
Steam Charts
The Last Sovereign steam charts
52
2/15/2019
89
Free
Steam Charts
The Necromancer's Tale steam charts
14
7/17/2025
86
$24.99
Steam Charts
The Witch's Cauldron steam charts
3
1/24/2024
86
$7.99
Steam Charts
Them Bombs steam charts
2
7/10/2019
83
$10.99
Steam Charts
Divided Reigns steam charts
3
4/2/2021
81
$9.99
Steam Charts
Democracy 4 steam charts
77
1/13/2022
80
$26.99
Steam Charts
Terra Invicta 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.

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