Top-Rated Free Diplomacy Games on Steam

9 free Diplomacy games with 500+ reviews and a 70%+ positive rating, newest first.

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Royal Quest Online - Players say: Choose a class in a fantasy MMORPG, quest through monster-filled lands, improve your gear, trade, and battle for dungeons and castles. Players like: Nostalgic MMO Feel · World and Lore · Art and Music ·
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Fantasy comes alive in this vast yet cozy free-to-play MMORPG! Choose between 4 classes and 8 subclasses, explore hundreds of locations, thousands of quests, dive into varied PvE and PvP modes, enter the unique vibrant world, and trade with other players. Play, explore, fight and be victorious!

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Dec 19, 2024
77% 👍
of 5.0k
Idle Research - Players say: Run an incremental alchemy game: research and craft flasks and tubes, manage energy production, and unlock upgrades and automation. Players like: Satisfying Progression · Steady Number Growth · Useful Automation ·
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Idle Research is an addictive, resource management, incremental game with both idle and active playstyles. Research and craft colorful Flasks and Tubes to earn as much Energy as possible! Big numbers guaranteed.

Half-Earth Socialism - Players say: As humanity’s global planner from 2023, choose policies and projects to balance climate, resources, food, and political support. Players like: Thought-Provoking Ideas · Challenging Strategy · Engaging Resource Planning ·
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Try your hand as a global planner of a future society. Play with a wide range of technologies and policies spanning different fields and ideologies. Will you lead the world to ecological utopia or planetary ruin?

I Am Your President: Prologue - Players say: Run a US presidency through branching dialogue, cabinet choices, and responses to world events while trying to win the election. Players like: ·
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I Am Your President: Prologue is a free narrative strategy simulator. Play as the previous US president, decide the fate of the world and run the country any way you like! Enjoy the unique storyline, make choices and carve your path to victory. Election Day is coming – can you secure your victory?

The Life and Suffering of Sir Brante — Chapter 1&2 - Players say: Shape Sir Brante’s early life in a text-based RPG, where choices build traits and relationships in a rigid, god-ordained empire. Players like: Consequential Choices · Dark Worldbuilding · Character Development ·
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A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!

Supremacy: 1914 - Players say: Lead a World War I nation, balance resources and armies, and use real-time diplomacy and conquest across multiplayer maps. Players like: Strategic Planning · Player Diplomacy · Long Campaigns ·
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Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge alliances and build up your economy in real-time on persistent maps. Build experimental weapons of World War 1 and become the one true superpower!

SUPREMACY: WORLD WAR 3 - Players say: Lead a nation in a persistent World War III strategy match, balancing military research, economic growth, diplomacy, and conquest. Players like: Strategic Planning · Diplomacy and Alliances · Playing With Friends ·
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This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.

Supremacy: Call of War 1942 - Players say: Lead a WWII nation in a persistent strategy campaign, balancing province conquest, military research, real-time movement, and diplomacy. Players like: Strategic Nation-Building · Player Diplomacy · Playing With Friends ·
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Take over the control of one of the mighty nations during the times of World War 2 in this persisting long-term strategy game. Conquer provinces, forge alliances and build up your economy in real-time. Research top secret weapons of World War 2 and become the one true superpower!

Crusader Kings II - Players say: Lead a medieval dynasty across generations, using marriages, intrigue, laws, and warfare to secure its power and survival. Players like: Emergent Dynasty Stories · Political Intrigue · Generational Strategy ·
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Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.