4X Massively Multiplayer games to play together

15 4X Massively Multiplayer games your group can play together online, including OpenFront, Nexus Legacy, and Duel Corp..

All games: 15

OpenFront

A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.

86%86% positive of 1,173 reviews638Playing now: 638$6.99

Nexus Legacy

Rebuild civilization from a single planet in Nexus Legacy, a persistent sci-fi 4X MMO. Colonize worlds, manage resources, research technologies, command fleets, forge alliances, and fight for control of a living galaxy.

65%65% positive of 381 reviews97Playing now: 97Free

Duel Corp.

A Souls-inspired action RPG set in a sandbox open world with an MMO feel and challenging directional combat. Play solo or with up to 3 friends in co-op. Build friendships, master an unrestricted class system, and uncover the cause that darkened all eyes.

70%70% positive of 1,262 reviews7Playing now: 7$24.99

Sanguo's Ambition 4 :Three Kingdoms

A real-time strategy+team competition game, in 189, the Han Dynasty launched a mutual attack and expansion of territories, operating their own forces, and seizing generals and resources until the world was unified.

66%66% positive of 103 reviews4Playing now: 4$9.99

Viking Rise

Race against other players to explore Valhalla and conquer Midgard!

69%69% positive of 1,010 reviews633Playing now: 633Free

Pixel Starships

Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.

73%73% positive of 3,034 reviews129Playing now: 129Free

3 Days War

3 Days War is a unique multiplayer strategy war game. Integrating the mechanics of RTS+4X, it allows dozens of players to engage in a three-day real-time strategy competitionon. Commanders, use your skills, strategies, games and even deception to become the ultimate winner!

82%82% positive of 721 reviews8Playing now: 8Free

Doomsday: Last Survivors

The legendary captain descends as hidden power engulfs the wasteland! The Seven Deadly Sins Collab is now live!

63%63% positive of 966 reviews632Playing now: 632Free

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!

73%73% positive of 4,383 reviews200Playing now: 200Free

Hades' Star

A unique space strategy game where thousands of players participate in one shared galaxy.

72%72% positive of 2,696 reviews134Playing now: 134Free

Pirates of Everseas

Build a pirate empire & explore the open seas in this exciting strategy game!

64%64% positive of 134 reviews5Playing now: 5Free

Downtown Mafia: Gang Wars

Addictive text-based Mafia MMO RPG where you team up with other players to wage Gang Wars, Turf Wars, Boss Fights, Hire Mercs, Hit-List your enemies, buy weapons, vehicles and equipments, City-based Missions, TOURNAMENTS and much more..

67%67% positive of 161 reviews5Playing now: 5Free

Illyriad - Grand Strategy MMO

Build a city, Create an Empire! Research 400+ technologies, and Build 70+ buildings, Craft and Trade 380+ items in an entirely player driven market. Fight Wars and Forge Alliances with thousands of players and create your own Empire in this award-winning, critically-acclaimed MMO.

67%67% positive of 209 reviews9Playing now: 9Free

March of Empires

Claim your title as Shogun, Highland King, Northern Tsar or Desert Sultan and join this genre-redefining strategy game where you will wage constant war for real territorial conquest! Fortify your castle, fuel a massive army, and enter the ultimate fight for realm domination!

60%60% positive of 1,881 reviews0Playing now: 0Free

Riftborne

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare. Hire galactic hit-men on your rivals. Raid neighbors for rare resources. Train spies to infiltrate enemy bases for key intel. Grow your empire to dominate the galaxy.

91%91% positive of 120 reviews0Playing now: 0$7.99