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Best Diplomacy Games

Top 50 of 72 qualifying games — tagged Diplomacy (community voting), 1,000+ reviews · ranked by Wilson lower bound on Steam review score · review data as of 2026-08-06.

1 Ages of Conflict: World War Simulator (2023) Idler · Simulation · Sandbox · $6.99 96.3%8,761 reviews 2 Sid Meier's Civilization V (2010) Turn-Based Strategy · Strategy · Turn-Based · $7.49 95.6%210,371 reviews 3 The Life and Suffering of Sir Brante — Chapter 1&2 (2020) Interactive Fiction · Choose Your Own Adventure · Diplomacy · Free 96.2%2,036 reviews 4 The Battle of Polytopia (2020) Strategy · Turn-Based · Multiplayer · $14.99 93.9%5,960 reviews 5 Sins of a Solar Empire: Rebellion (2012) Management · Diplomacy · Online Co-Op · $19.99 93.2%16,322 reviews 6 Victoria II (2010) Grand Strategy · Strategy · Historical · $19.99 92.1%19,978 reviews 7 Total War: SHOGUN 2 (2011) Strategy · Historical · Turn-Based Strategy · $29.99 91.8%67,438 reviews 8 Total War: SHOGUN 2 (2011) Strategy · Historical · Turn-Based Strategy · $29.99 91.8%67,438 reviews 9 Romance of the Three Kingdoms XI with Power Up Kit (2018) Turn-Based Tactics · Wargame · War · $19.99 92.4%4,084 reviews 10 Renowned Explorers: International Society (2015) Strategy · Adventure · RPG · $19.99 91.6%2,897 reviews 11 Crusader Kings II (2012) Grand Strategy · Strategy · Medieval · Free 90.5%73,815 reviews 12 Heart of the Machine (2026) Strategy · Simulation · Grand Strategy · $29.99 91.6%2,088 reviews 13 Hearts of Iron IV (2016) Strategy · World War II · Grand Strategy · $49.99 90.0%373,697 reviews 14 China: Mao's legacy (2019) Political Sim · Strategy · Simulation · $6.99 91.5%1,046 reviews 15 Age of History II (2018) Strategy · Historical · War · $5.99 89.8%49,889 reviews 16 Guilty as Sock! (2025) Multiplayer · Simulation · Sandbox · $5.50 89.6%5,653 reviews 17 Sid Meier's Civilization III Complete (2006) Strategy · Turn-Based Strategy · Turn-Based · $0.99 89.4%7,749 reviews 18 HighFleet (2021) Singleplayer · Indie · Strategy · $14.99 88.3%7,364 reviews 19 Europa Universalis IV (2013) Grand Strategy · Strategy · Historical · $49.99 87.7%137,064 reviews 20 Tropico 6 (2019) City Builder · Strategy · Simulation · $39.99 87.7%29,319 reviews 21 Solium Infernum (2024) Strategy · Turn-Based Strategy · Politics · $39.99 88.4%1,704 reviews 22 Dummynation (2022) Grand Strategy · Military · Simulation · $11.99 87.8%3,200 reviews 23 DEFCON (2006) Tactical · PvP · Online Co-Op · $11.99 87.3%4,321 reviews 24 King Of The Castle (2023) Strategy · Choices Matter · Fantasy · $9.99 87.9%1,719 reviews 25 Stellaris (2016) Space · Grand Strategy · Strategy · $49.99 85.8%196,495 reviews 26 Twilight Struggle (2016) Board Game · Strategy · Tabletop · $9.99 86.4%2,977 reviews 27 NOBUNAGA'S AMBITION: Souzou (2014) Wargame · Immersive Sim · Real Time Tactics · $24.99 86.7%1,236 reviews 28 Age of History 3 (2024) Wargame · Strategy · Grand Strategy · $9.99 85.0%18,477 reviews 29 Fabledom (2024) City Builder · Relaxing · Colony Sim · $20.99 85.1%7,716 reviews 30 Computer Tycoon (2017) Hardware · Software · Grand Strategy · $19.99 85.2%1,012 reviews 31 Idle Research (2022) Idler · Clicker · Free to Play · Free 84.0%1,889 reviews 32 Crisis in the Kremlin (2017) Political Sim · Strategy · Cold War · $1.99 84.2%1,461 reviews 33 House of Legacy (2025) Early Access · Sandbox · Management · $14.99 83.2%3,903 reviews 34 Old World (2022) Strategy · Simulation · 4X · $39.99 82.4%6,770 reviews 35 Rebel Inc: Escalation (2021) Strategy · Simulation · Political Sim · $14.99 81.9%7,480 reviews 36 Democracy 4 (2022) Strategy · Political Sim · Politics · $29.99 81.8%6,369 reviews 37 Hexarchy (2023) Turn-Based · Card Game · Resource Management · $1.99 81.9%1,612 reviews 38 NEBULOUS: Fleet Command (2022) Strategy · Space · Simulation · $29.99 81.1%4,389 reviews 39 ENDLESS Space - Definitive Edition (2012) Strategy · 4X · Space · $9.99 80.6%9,590 reviews 40 Terra Invicta (2026) Strategy · Simulation · Grand Strategy · $39.99 80.5%9,682 reviews 41 Dune: Spice Wars (2023) Management · Singleplayer · Sci-fi · $34.99 79.2%13,516 reviews 42 Microcivilization (2026) Clicker · Base-Building · Resource Management · $17.99 79.1%1,443 reviews 43 Total War: ROME REMASTERED (2021) Strategy · Grand Strategy · Turn-Based Strategy · $29.99 77.0%13,610 reviews 44 Highrise City (2023) Simulation · Strategy · City Builder · $29.99 77.4%1,297 reviews 45 Galactic Civilizations II: Ultimate Edition (2011) 4X · Grand Strategy · Turn-Based · $9.99 77.0%1,710 reviews 46 Medieval Kingdom Wars (2019) Grand Strategy · RTS · Medieval · $14.99 75.9%2,613 reviews 47 Cepheus Protocol (2020) Sandbox · Zombies · RTS · $19.99 75.4%3,715 reviews 48 Pharaoh: A New Era (2023) City Builder · Building · Simulation · $22.99 75.0%5,316 reviews 49 CONFLICT OF NATIONS: WORLD WAR 3 (2018) Strategy · Free to Play · Wargame · Free 74.7%5,950 reviews 50 Synergy (2025) Stylized · City Builder · Economy · $24.99 76.2%1,082 reviews