Unciv
Open source 4X civilization-building game
The top results based on the latest update are Small War [Score: 0.8], Demise of Nations [Score: 0.7] and Rise & Fall - Online Digital Edition [Score: 0.7] The top rated games you can find here are Sid Meier's Civilization® V [SteamPeek Rating: 10.7] ranked #18, Sid Meier's Civilization VI [SteamPeek Rating: 9.8] ranked #31 and ENDLESS™ Legend [SteamPeek Rating: 7.8] ranked #12 Also don't forget to check the newest releases Mordfield Command [Release date: 2025-10-23] ranked #30, Rise & Fall - Online Digital Edition [Release date: 2025-04-26] ranked #3 and Sid Meier's Civilization VII [Release date: 2025-02-10] ranked #34 While it is tempting to play with the newest and the best, there might be some other gems in the results, like ENDLESS™ Legend [SteamPeek Rating: 7.8] ranked #12, Battle for Wesnoth [SteamPeek Rating: 7.5] ranked #13 and Sid Meier's Civilization® V [SteamPeek Rating: 10.7] ranked #18.
Open source 4X civilization-building game
You need to choose your camp and build the building! Build combat units through barracks and factories, and then manipulate combat units to destroy enemy bases!
Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization.
Risse & Fall is a game involving strategic units positioning, territory control and opportunity seizing designed by Christophe Boelinger (Dungeon Twister, Earth Reborn, Archipelago, Living Planet...). Each player leads a nation trying to expand and progress in a fantasy world.
The king is dead and you must fight for the Throne! Use tactics and strategy to wage war. Destroy your enemies with steel and magic, or force them to yield, and you will be king of the island!
Set the world ablaze in Fire Isle! Choose your fire —Happy, Sad, Angry, or Grumpy— and vs. your friends online to see who can scorch the most of a tropical paradise. Keep your flames alive as rising costs, rainstorms, and other fires try to snuff you out. Can you conquer the Isle?
Empis is a turn-based strategy game that focuses on short and sweet multiplayer matches. Choose from individual factions each with their own unique units and upgrades, unlock technology, and build sprawling cities with buildings and fortifications.
Politon: A turn-based strategy game that will push your strategic and management skills to the limit! Expand your territory, strengthen your economy, and outsmart your enemies by planning your strategy carefully.
The Mystic is a dark fantasy, turn-based strategy game. Become a follower of the first gods, gain their favour, overthrow the High King by innovative combat and magic systems and establish harmony. The game offers an exciting campaign full of twists, battles and difficult decisions and multiplayer.
Conquer. Build. Survive. A tactical strategy game on procedural hex grids - intense, deep. Plan every move: establish your base, secure supply lines, and unleash suppression fire against all who stand in your way. Research new technologies - improve your units. Play solo, co-op, or PvP.
A turn-based multiplayer strategy boardgame inspired by Risk and Dicewars. Conquer the map, align your borders, calculate the risks, and cut through!
ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.
Like playing Go with puzzle pieces. Analyze the whole board and alter the whole playing field as you search for the best-scoring moves. Play local, against AI or online.
This is a classic Hexagon War Chess game for senior player.This game is not a fast-food game, IQ matters.You need to focus on battlefield strategy.Every map is an IQ battle, and every player can be the creator or the challenger.
Turn-based strategy and empire builder with the focus on the top-level decisions
Diehexegy is a hex grid turn-based 4x game with a unique twist: your armies are composed of dice. It has multiple victory conditions and straightforward gameplay.
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
Age of Wonders III is the long anticipated sequel to the award-winning strategy series. Delivering a unique mix of Empire Building, Role Playing and Warfare, Age of Wonders III offers the ultimate in turn-based fantasy strategy for veterans of the series and new players alike!
Age of Conquest is a turn-based grand strategy wargame.
Build your dream squad of warriors and mages, then out-plan rival players in quick, turn-based PvP battles. Unlock gear, master spells, level up, and climb the weekly leaderboards—every move can turn the match.
Are you ready to RUMMMBLE?
Lords of Kingdoms is a multiplayer online war game. Turn your small castle into a mighty fortress and become ruler of the greatest realm.
4x turn based strategy mixed with real time (turn stealing) bidding mechanics. Complete single player or competitive online matches with up to 4 players in a single sitting, while telling the history of a fantasy world from the creation of its continents to the twilight of its gods.
Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.
Scythe transports you to an alternate reality in 1920s Europa, one ravaged by the First World War. Take up the role of leader by assuming command of one of 5 factions, and set out to conquer the coveted "Factory". Lead your mechs to war and your people to victory!
Dominium Mundi is a lightweight 4X strategy game set in the medieval period where 4 players compete to create the most influential empire. Expand your empire over the map, convert more people to your religion, and control more trade routes.
Rewrite history by shaping a civilization as unique as you are. Combine 60 cultures from the Ancient Era to the Modern Age to lead your empire to victory. Build thriving cities, outsmart rivals in epic battles, spread your influence and leave your mark on HUMANKIND™.
Lead humanity's last stand in Mordfield Command, a 4X wave defense strategy, where every turn determines humanity's survival. Raise an army, reclaim fraught territory, and fight for survival in a world torn between AI domination and our freedom.
Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
Conquer the galaxy in this arcade-like strategy game. Pick and send your generals to deploy the fleet in the far-off star sectors, mine resources, and upgrade your ships forgeries. Deities might interfere with your plans.
The award-winning strategy game franchise returns with a revolutionary new chapter. Sid Meier's Civilization® VII empowers you to build the greatest empire the world has ever known!
Eador is a universe made of countless shards of land drifting in the Great Nothing. Each of the shards is a little world unto itself, with geography and denizens of its own. The power over the shards is bitterly contested by Masters, the immortal beings mortals believe to be gods.
An economic war over territories and resources is raging on the planet. Will you destroy the planet and all life on it in the chaos of pollution... or prevent the end of the world by developing new technologies? Play with friends using "Steam Remote" or play against smart AI!
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