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Best Diplomacy Games

Top 50 of 66 qualifying games — tagged Diplomacy (community voting), 1,000+ reviews · ranked by Wilson lower bound on Steam review score · review data as of 2026-05-20.

1 Sid Meier's Civilization V (2010) Turn-Based Strategy · Strategy · Turn-Based · 10M–20M owners · $7.49 95.8%204,265 reviews 2 The Life and Suffering of Sir Brante — Chapter 1&2 (2020) Interactive Fiction · Choose Your Own Adventure · Diplomacy · 200K–500K owners · Free 96.4%2,027 reviews 3 Ages of Conflict: World War Simulator (2023) Idler · Simulation · Sandbox · 200K–500K owners · $6.99 96.0%4,903 reviews 4 The Battle of Polytopia (2020) Strategy · Turn-Based · Multiplayer · 500K–1M owners · $14.99 93.9%5,148 reviews 5 Sins of a Solar Empire: Rebellion (2012) Management · Diplomacy · Online Co-Op · 2M–5M owners · $19.99 93.2%16,015 reviews 6 Victoria II (2010) Grand Strategy · Strategy · Historical · 1M–2M owners · $19.99 92.2%19,477 reviews 7 Romance of the Three Kingdoms XI with Power Up Kit (2018) Turn-Based Tactics · Wargame · War · 100K–200K owners · $19.99 92.4%3,594 reviews 8 Total War: SHOGUN 2 (2011) Strategy · Historical · Turn-Based Strategy · 2M–5M owners · $29.99 91.5%64,276 reviews 9 Renowned Explorers: International Society (2015) Strategy · Adventure · RPG · 200K–500K owners · $19.99 91.6%2,847 reviews 10 Total War: SHOGUN 2 (2011) Strategy · Historical · Turn-Based Strategy · 2M–5M owners · $29.99 90.7%24,952 reviews 11 China: Mao's legacy (2019) Political Sim · Strategy · Simulation · 100K–200K owners · $6.99 91.9%1,015 reviews 12 Crusader Kings II (2012) Grand Strategy · Strategy · Medieval · 2M–5M owners · Free 89.9%73,809 reviews 13 Age of History II (2018) Strategy · Historical · War · 1M–2M owners · $5.99 89.8%46,395 reviews 14 Hearts of Iron IV (2016) Strategy · World War II · Grand Strategy · 5M–10M owners · $49.99 89.2%342,150 reviews 15 Sid Meier's Civilization III Complete (2006) Strategy · Turn-Based Strategy · Turn-Based · 1M–2M owners · $0.99 89.7%7,231 reviews 16 HighFleet (2021) Singleplayer · Indie · Strategy · 500K–1M owners · $14.99 88.8%6,583 reviews 17 King Of The Castle (2023) Strategy · Choices Matter · Fantasy · 100K–200K owners · $9.99 88.8%1,456 reviews 18 Tropico 6 (2019) City Builder · Strategy · Simulation · 1M–2M owners · $39.99 87.4%27,191 reviews 19 Age of History 3 (2024) Wargame · Strategy · Grand Strategy · 500K–1M owners · $9.99 87.4%12,712 reviews 20 Europa Universalis IV (2013) Grand Strategy · Strategy · Historical · 5M–10M owners · $49.99 86.6%134,436 reviews 21 DEFCON (2006) Tactical · PvP · Online Co-Op · 200K–500K owners · $11.99 87.4%4,182 reviews 22 Solium Infernum (2024) Strategy · Turn-Based Strategy · Politics · 100K–200K owners · $39.99 87.8%1,486 reviews 23 Stellaris (2016) Space · Grand Strategy · Strategy · 2M–5M owners · $49.99 86.0%185,433 reviews 24 Twilight Struggle (2016) Board Game · Strategy · Tabletop · 200K–500K owners · $9.99 87.0%2,807 reviews 25 Fabledom (2024) City Builder · Relaxing · Colony Sim · 200K–500K owners · $20.99 86.1%6,204 reviews 26 Dummynation (2022) Grand Strategy · Military · Simulation · 50K–100K owners · $11.99 86.0%2,281 reviews 27 NOBUNAGA'S AMBITION: Souzou (2014) Wargame · Immersive Sim · Real Time Tactics · 0–20K owners · $24.99 86.2%1,178 reviews 28 Idle Research (2022) Idler · Clicker · Free to Play · 200K–500K owners · Free 84.8%1,702 reviews 29 Crisis in the Kremlin (2017) Political Sim · Strategy · Cold War · 200K–500K owners · $1.99 84.4%1,387 reviews 30 Democracy 4 (2022) Strategy · Political Sim · Politics · 200K–500K owners · $29.99 82.9%5,798 reviews 31 Microcivilization (2026) Clicker · Base-Building · Resource Management · 50K–100K owners · $17.99 83.9%1,117 reviews 32 Rebel Inc: Escalation (2021) Strategy · Simulation · Political Sim · 200K–500K owners · $14.99 82.5%6,316 reviews 33 NEBULOUS: Fleet Command (2022) Strategy · Space · Simulation · 200K–500K owners · $29.99 82.4%3,536 reviews 34 Old World (2022) Strategy · Simulation · 4X · 200K–500K owners · $39.99 82.2%4,673 reviews 35 ENDLESS Space - Definitive Edition (2012) Strategy · 4X · Space · 1M–2M owners · $9.99 80.5%9,364 reviews 36 Hexarchy (2023) Turn-Based · Card Game · Resource Management · 50K–100K owners · $1.99 81.6%1,155 reviews 37 Terra Invicta (2026) Strategy · Simulation · Grand Strategy · 200K–500K owners · $39.99 80.1%6,560 reviews 38 Dune: Spice Wars (2023) Management · Singleplayer · Sci-fi · 1M–2M owners · $34.99 79.7%12,520 reviews 39 House of Legacy (2025) Early Access · Sandbox · Management · 50K–100K owners · $14.99 80.5%1,359 reviews 40 Cepheus Protocol (2020) Sandbox · Zombies · RTS · 200K–500K owners · $19.99 79.0%3,032 reviews 41 Highrise City (2023) Simulation · Strategy · City Builder · 100K–200K owners · $29.99 79.2%1,232 reviews 42 CONFLICT OF NATIONS: WORLD WAR 3 (2018) Strategy · Free to Play · Wargame · 200K–500K owners · Free 76.7%5,257 reviews 43 First Strike (2017) Strategy · RTS · Cold War · 20K–50K owners · $11.99 77.4%1,864 reviews 44 Total War: ROME REMASTERED (2021) Strategy · Grand Strategy · Turn-Based Strategy · 500K–1M owners · $29.99 76.1%11,962 reviews 45 Galactic Civilizations II: Ultimate Edition (2011) 4X · Grand Strategy · Turn-Based · 500K–1M owners · $9.99 76.9%1,650 reviews 46 Medieval Kingdom Wars (2019) Grand Strategy · RTS · Medieval · 50K–100K owners · $14.99 76.4%2,584 reviews 47 Breachway (2024) Early Access · Strategy · Space · 50K–100K owners · $19.99 76.2%1,014 reviews 48 Supremacy 1914: World War 1 (2019) Strategy · Free to Play · War · 200K–500K owners · Free 74.7%3,873 reviews 49 Pharaoh: A New Era (2023) City Builder · Building · Simulation · 200K–500K owners · $22.99 74.3%4,571 reviews 50 Fallen Enchantress: Legendary Heroes (2013) Magic · Singleplayer · Strategy · 200K–500K owners · $24.99 74.6%2,468 reviews