Top-Rated Free Diplomacy Games on Steam

Royal Quest Online - 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!

Dec 19, 2024

77% 👍

of 5.0k

Free on Steam More Detail

Idle Research - 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.

Jul 31, 2022

84% 👍

of 1.9k

Idler · Incremental · Free to Play · Simulation · Strategy · Adventure · Resource Management · Automation · Early Access · Management · 2D · Minimalist · Crafting · Diplomacy · Cartoony

Free on Steam More Detail

Half-Earth Socialism - 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?

Jul 19, 2022

82% 👍

of 1.0k

Simulation · Strategy · Card Game · Education · Grand Strategy · Interactive Fiction · Political Sim · Roguelike · Roguelite · 2D · Agriculture · Alternate History · Building · Diplomacy · Dystopian

Free on Steam More Detail

I Am Your President: Prologue - 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?

Dec 2, 2020

78% 👍

of 574

Management · Singleplayer · Political · Economy · Funny · Resource Management · Choices Matter · Multiple Endings · Replay Value · Choose Your Own Adventure · Casual · Alternate History · Story Rich · Villain Protagonist · Great Soundtrack

Free on Steam More Detail

The Life and Suffering of Sir Brante — Chapter 1&2 - 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!

Dec 1, 2020

96% 👍

of 2.0k

Interactive Fiction · Choose Your Own Adventure · Diplomacy · Visual Novel · Medieval · RPG · Management · Text-Based · Choices Matter · Story Rich · Multiple Endings · Strategy · 2D · Dialogue Heavy · Fantasy

Free on Steam More Detail

Supremacy: 1914 - 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!

Jul 16, 2019

74% 👍

of 4.3k

Strategy · Free to Play · War · Historical · World War I · Grand Strategy · Military · Multiplayer · Simulation · Massively Multiplayer · Diplomacy · Wargame · Tactical · Singleplayer · Co-op

Free on Steam More Detail

SUPREMACY: WORLD WAR 3 - 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.

Mar 15, 2018

75% 👍

of 5.9k

Strategy · Free to Play · Wargame · Grand Strategy · Massively Multiplayer · Simulation · Indie · RTS · Politics · Diplomacy · Base Building · Action · Real-Time · Alternate History · Grid-Based Movement

Free on Steam More Detail

Supremacy: Call of War 1942 - 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!