Top similar games like The Citadel Must Hold:

Diplomacy is Not an Option: Shareware is a free prequel to the original game. In a medieval fantasy world, you are to build settlements, raise huge armies, and defend against massive hordes of enemies. Learn how Ironbrow clan shaped the world's map the first time - if you survive, that is.

Raise a fallen keep by day, and hold it through the dark. Villagers with names and tempers fell timber and work the fields — then take up spears when night comes. A dark fantasy settlement-builder defense game.

Prologue version of Orc Warchief. Become an Orc warchief and fight for survival of your race. Rebuild your village and train your warriors. Gather resources and craft your weapons. Raise your warbanner and gather The Horde.

Immerse yourself in an exciting medieval settlement simulator where you will have to fight for your place in the feudal hierarchy. Use a smart strategy to develop your settlement. After all, it is the skills and equipment of each peasant that can make the difference.

Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?

Build your medieval kingdom. Raise an army. Defend against towering Giants and monstrous creatures as they lay siege to everything you've built

Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!

In "Kingdom Monarch", you are a monarch and can build the kingdom of your dreams! You need to build city walls, assign jobs to villagers, recruit soldiers, repel hordes of monsters at night, and expand your village during the day.

A 2D Strategic Base Defender game set in Medieval times. As relentless Waves of enemy forces threaten your Stronghold, you must gather Resources, Fortify your Defenses and lead your Rebellion. Prepare to strengthen your Base and manage your Resources. But beaware of the Storms!

Build and manage a growing medieval town in The First Settlement VR. Place over 50 buildings, manage citizens and merchants, run production chains and trade with neighbouring towns. All in an evolving sandbox city builder experienced entirely in VR.

Harrowlands is a medieval fantasy colony sim where you shape a thriving settlement in a vast, mystical realm. Master intricate base-building mechanics and guide your inhabitants through the complex social bonds that define their world.

Mysticore is a survival strategy game for 1-4 players. Explore the shattered realms, build your base and defend it against massive enemy waves - all while leaving the busywork to your gnomes.

A tactical exploration building game where you explore the uncharted depths of Tethys; scavenging resources and lost technologies, to survive the dangers of the abyss. As the Overseer, lead expeditions of Knights through the dark trenches and the unknown, and help them rebuild their lost Kingdom.

Siege of Irdor is a city-builder strategy game set in dark medieval times, where fantasy and reality collide. Build by day and defend the sieges by night to survive against the armies of darkness.

Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.

A city builder with simulated citizens, set in a procedurally-generated world map. Grow your kingdom through the eras from a tiny medieval hamlet into a prosperous global empire! Cooperate or compete in real-time with your friends in multiplayer mode.

Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

Loulan Kingdom blends survival city-building with real-time strategy. As the ruler of Loulan, build your city in a procedurally generated desert oasis, prosper through trade along the Silk Road, and fight with all you have to defend your kingdom until the very end.

Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.

Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.

You're a god needing followers to become the strongest deity. Lift followers and objects to build, expand, fight, convert, or ally with gods. Gather faith for divine powers with strategic depth, shaping your civilization’s destiny.

A game of base building and colony simulation in a world where night is permanent. Survive, build, explore, repel enemy raids and tend to the needs of your workers and your king.

A side-view colony sim set in feudal Japan, shaped by myth and folklore. Take on the role of a local lord as you build a lively village, explore faraway lands, trade across the world, and defend your people from the Yokai lurking in the dark.

In this Procedural City-Building and Survival game, you must manage your resources, expand your village, assemble an army and destroy the source of evil, which changed the entire eco system of a land that was once prosperous and peaceful.

Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.

At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!

Lanternia is a survival RTS with roguelite and deckbuilding elements. Build, defend, and expand the village in a dark wood, illuminated only with lanterns.

IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?

Thrive: Heavy Lies the Crown is a complex city builder, where the fate of your kingdom hinges on your every decision. Explore this medieval land alone or with friends, make tough moral choices and conquer your foes in RTS combat. Will you struggle to survive, or find the strength to Thrive?

A roguelite village builder. Assign every job, keep morale from collapsing, and hold the line when fire, plague and monster waves arrive. Win or lose, your Legacy carries into the next run.

Your faction is in your hands in this 4X real-time strategy game. As a powerful mage, build thriving settlements and diverse armies to discover the secrets and stories at the heart of Muriet.

Survival is temporary. Legacy is forever. Rule the last colony on Mars in this RTS x Colony Sim. Build domes for colonists as they harvest crops to survive, and command Mech armies against endless Marsect swarms. With hostile enemies and climate threatening your expedition, every choice matters.