Best Free MMORTS Games for PC and Browser in 2025!
AirMech
AirMech is a 3D sci-fi RTS by Carbon Games, available in the browser (Chrome) and through Steam With DotA-style gameplay players control a transforming mech, that can take flight at a moments notice in this strategy based game. Combat on the ground or switch to air to fly around and pick up units to transport.
Armor Valor
Build up your lands and wage war against all comers in Armor Valor, a Norse-inspired strategy RPG from R2Games! The elves and the dwarves have allied against the humans, and in a far-off land, orcs have also risen up and declared war.
Astro Empires
Explore the farthest reaches of space in Cybertopia Studios’ Astro Empires, a free to play text-based space strategy MMO that gives you something you’ve always dreamed of: the chance to build your own galaxy-spanning empire among the stars. As you start with your own planet in the farthest flung regions of unknown space in Astro Empires, you will learn to gather materials and develop new technologies to turn your previously unnoticed rock into a mighty empire befitting a galactic emperor.
Big Farm
Goodgame's Big Farm has you taking over for Uncle George after he's left his farm “in pretty bad shape.” You'll need to plant crops, raise livestock, and get a little help from your neighbors to get the farm back in shape! You'll start with some basic crops, but as you progress, you'll be able to unlock more labor-intensive and financially rewarding crops.
Blood of Steel
Lead your armies to victory in YC Games' free-to-play medieval battle simulator Blood of Steel! Take on the role of a famous general from history, from Julius Caesar to Joan of Arc to Lyu Bu and charge into battle at the head of an elite core of warriors.
Call of War
Rewrite the course of World War II in Call of War, a free-to-play browser-based strategy game from Bytro Labs.
Conflict of Nations
Take over the world in free-to-play strategy game Conflict of Nations from Dorado Games and Bytro Labs.
Conqueror's Blade
Experience medieval battles on a massive scale in Conqueror's Blade, an ambitious free-to-play title by Booming Games and published by My.com. In each battle, you'll control a general and lead a cadre of soldiers into battle against other players or AI enemies., making use of tactics and artillery from a wide range of eras and cultures.
Crystal Clash
Crystal Clash is a free-to-play fantasy castle siege RTS from Crunchy Leaf Game. Form your armies from dozens of strong units and powerful spells and take on both PvE bosses and competitive matches against other players.
Elvenar
In InnoGames' Elvenar, you can build an epic fantasy city, populated by elves or humans, and watch it grow into a sprawling metropolis, awash in riches and brimming with military might. The elves have powerful magic at their disposal, while humans are well-versed in the arts of war.
Empire: World War 3
Empire: World War III is a free-to-play browser-based strategy game from the developer of Legends of Honor. Players guild bases, train units, and control them in battle.
Forge of Empires
Forge of Empires is a browser-based MMORTS by InnoGames. Relive history as you rule over your empire through the stages of early human civilizations.
Game Of Thrones Winter Is Coming
Fame and glory await you in Westeros, in Game of Thrones: Winter Is Coming, the officially licensed free-to-play browser game based on the epic fantasy series by George R.R. Martin.
Goodgame Empire
Goodgame Empire is a browser-based MMO Strategy game by Goodgame Studios. Design and build your own Medieval castle, create a powerful army, and fight against other players on a dynamic world map as you attempt to conquer the four kingdoms and unite them under your rule.
Grepolis
Are you ready to conquer the Olympus following in the footsteps of Ulysses, Achilles and the Greek heroes? Then join us for a unique adventure into the world of Ancient Greece.
Ikariam
Ikariam is a free-to-play browser based MMORTS with familiar gameplay, PvP multiplayer and civilian micromanagement Ikariam features real-time progression, the game’s time flows whether you are online or offline, that offers a harrowing experience for many players as it can mean the difference between the success or loss of their city. Set within a chain of Greek-inspired islands, Ikariam challenges players to manage their resources while forging their own city-state.
Imperia Online
Initially released in 2005, Imperia Online is among the most recognizable RTS games online, especially in Europe, Brazil, Turkey and Russia. The current 6-th version "The Great People" was released in 2013.
Kingdom Wars
Kingdom Wars is a free to play 3D MMORTS developed by Reverie World Studios, Inc. Battle your way through the amazing online world with real-time siege combat as you construct strongholds, command citizens, complete quests, and manage a gigantic empire.
Legends of Honor
Goodgames' Legends of Honor is a free-to-play browser MMORTS game that puts players in charge of sprawling medieval kingdoms and lets them engage in fierce struggles for territory and glory. Harvest resources, levy taxes, build up your armies, recruit valiant heroes, join an alliance, and invade your enemies, but beware!
Mars Tomorrow
Explore the Red Planet and save humanity in Mars Tomorrow, a free-to-play browser simulation game from Gamefabrik and Bytro Labs.
Minion Masters
Summon your minions and go to war in Minion Masters, the free-to-play lane-based battle game from BetaDwarf. Choose your deck of minions and send them marching off to victory -- or their doom -- while supporting them with spells and abilities.
One Tower
Get ready for intense, one-on-one action with One Tower, a "micro-MOBA" from SkyReacher Entertainment where victory or defeat is entirely up to you. Choose your hero and carefully choose your wave of minions to progress down the single lane and destroy your opponent's tower -- but watch out for traps!
Pirates: Tides of Fortune
Pirates: Tides of Fortune is a free to play browser-based 2D MMORTS developed by Plarium. Players begin the strategy MMO game with an upgradeable island and a handful of resource points to put into their gold and lumber facilities.
Saga
Saga is a free persistent MMO real-time strategy game. Every action you take, including buildings you create, troops you acquire and territories you conquer will remain with you for as long as you play the game.
Siegelord
Siegelord is a free to play 2D medieval fantasy browser-based MMORTS, players compete with other players by expanding the cities they initially start the game with into vast empires. Published by 37 Games Entertainment, the RTS game is a mix of strategy and civilization building.
Soldiers Inc.
In Soldiers Inc., you take command of a military base in war-torn Zandia, competing with other military commanders to bring in the most profit for your client. Build up your power base through warfare or diplomacy and equip your soldiers with better and better gear to take on more challenging contracts for greater risks and greater rewards.
Sparta: War of Empires
Sparta: War of Empires is a free-to-play 2.5D browser MMORTS set during a mythical 5th century Greek world. Players create and manage their city-state through the construction of various buildings, troops, and diplomatic endeavours with both the AI and other players.
Star Trek: Alien Domain
Star Trek: Alien Domain is a free-to-play sci-fi strategy game played in a web browser. The game features a new Star Trek story, dozens of new starships and alien species.
Steel Legions
Steel Legions is a free to play 3D strategy browser game from Splitscreen Studios, where four factions struggle for domination. It combines great 3D visuals with accessible, fast-paced PvP (player-versus-player) action.
Stormfall: Age of War
The mystical lands of Darkshine have riddled themselves with chaos, as what is left of what was once a legendary empire known as Stormfall is in a perpetual state of territorial conquer. By Lord Oberon's will, you have been selected as the mightiest and most capable champion to reunite the empire against all unmerciful evil.
Stormgate
A new real-time strategy title crafted by veterans of some of the genre's classics.
Stronghold Kingdoms
Stronghold Kingdoms is a strategy based building/warfare game developed by Firefly Studios and based on the long running Strongholds PC game series. Players will be tasked with building their own settlement and watching it flourish.